text:
D-995B-6322E39C7022/Paper/p3095},
rating = {0}
}

@article{Cohen:2005p10480,
author = {Michael X Cohen and Jennifer Young and Jong-Min Baek and Christopher Kessler and Charan Ranganath},
journal = {Brain Res Cogn Brain Res},
title = {Individual differences in extraversion and dopamine genetics predict neural reward responses},
abstract = {Psychologists have linked the personality trait extraversion both to differences in reward sensitivity and to dopamine functioning, but little is known about how these differences are reflected in the functioning of the brain's dopaminergic neural reward system. Here, we show that individual differences in extraversion and the presence of the A1 allele on the dopamine D2 receptor gene predict activation magnitudes in the brain's reward system during a gambling task. In two functional MRI experiments, participants probabilistically received rewards either immediately following a behavioral response (Study 1) or after a 7.5 s anticipation period (Study 2). Although group activation maps revealed anticipation- and reward-related activations in the reward system, individual differences in extraversion and the presence of the D2 Taq1A allele predicted a significant amount of inter-subject variability in the magnitudes of reward-related, but not anticipation-related, activations. These results demonstrate a link between stable differences in personality, genetics, and brain functioning.},
affiliation = {Department of Epileptology, University of Bonn, 53115 Bonn, Germany; Center for Neuroscience, University of California, Davis, CA 95616, USA. mcohen@ucdavis.edu},
number = {3},
pages = {851--61},
volume = {25},
year = {2005},
month = {Dec},
language = {eng},
keywords = {Cues, Reward, Dopamine, Gambling, Personality Tests, Alleles, Extraversion (Psychology), Data Interpretation: Statistical, Predictive Value of Tests, Models: Statistical, Decision Making, Receptors: Dopamine D2, Risk-Taking, Individuality, Humans, Magnetic Resonance Imaging},
date-added = {2010-04-07 11:18:21 +0200},
date-modified = {2010-07-29 19:21:59 +0200},
doi = {10.1016/j.cogbrainres.2005.09.018},
pii = {S0926-6410(05)00288-0},
pmid = {16289773},
URL = {http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6SYV-4HJ47S0-1&_user=2432700&_coverDate=12%252F31%252F2005&_rdoc=1&_fmt=high&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000057263&_version=1&_urlVersion=0&_userid=2432700&md5=1bb6e7e2e7100304c01f15db4860e6c4},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Cohen-2005-Brain%20Res%20Cogn%20Brain%20Res_Individual%20differenc.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p10480},
rating = {0}
}

@article{Han:2002p9561,
author = {Cong Han and Christopher C Pulling and Susan E Telke and Katherine Huppler Hullsiek and Terry Beirn Community Programs for Clinical Research on AIDS},
journal = {AIDS},
title = {Assessing the utility of five domains in SF-12 Health Status Questionnaire in an AIDS clinical trial},
abstract = {OBJECTIVE: To assess a shortened quality-of-life (QoL) measurement tool in a population with advanced HIV infection. DESIGN: Five domains (seven items) in a 12-item questionnaire (SF-12) were compared with those same domains in a 39-item questionnaire (SF-39). Data were collected using SF-39 in a randomized clinical trial for the prevention of cytomegalovirus disease. METHODS: The performance of SF-12 relative to SF-39 was evaluated within each domain by comparing QoL scores at baseline and over time, assessing the reliability and validity for both instruments, assessing item consistency and discrimination within instruments, and implementing event-time analyses that quantified dependence of the hazard for death and progression of disease (POD) on baseline values. RESULTS: Baseline measures are similar for both instruments, with high correlation within each domain. The slopes over time for the SF-12 and SF-39 domains are also similar. Both the SF-12 and SF-39 domains have satisfactory reliabilities and perfect discrimination. The hazard ratios for death and POD are similar for both instruments within a domain. All SF-12 and most SF-39 domains are highly predictive for death but are not highly predictive for POD. CONCLUSIONS: For the domains considered, SF-12 is a reasonable and effective replacement for SF-39 in studies of patients with advanced HIV disease. SF-12 reduces item redundancy and the burden of data requirements for both investigators and patients; consequently, it may improve compliance with form completion.},
affiliation = {Division of Biostatistics, School of Public Health, University of Minnesota, 2221 University Avenue SE, Minneapolis, MN 55414, USA.},
number = {3},
pages = {431--9},
volume = {16},
year = {2002},
month = {Feb},
language = {eng},
keywords = {Female, Acquired Immunodeficiency Syndrome, Quality of Life, Adult, AIDS-Related Opportunistic Infections, Middle Aged, Antiviral Agents, Ganciclovir, Humans, Questionnaires, Health Status, Cytomegalovirus Infections, Male},
date-added = {2010-03-23 20:54:28 +0100},
date-modified = {2010-07-29 19:12:25 +0200},
pmid = {11834955},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Han-2002-AIDS_Assessing%20the%20utilit.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p9561},
rating = {0}
}

@article{Goldberg:2006p13885,
author = {L R Goldberg and W F Velicer},
title = {Principles of Exploratory Factor Analysis},
year = {2006},
date-added = {2010-07-29 18:04:37 +0200},
date-modified = {2010-07-29 18:05:20 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Goldberg-2006-_Principles%20of%20Explor.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13885},
rating = {0}
}

@article{Miyahara:1995p12942,
author = {M Miyahara and I M{\"o}bs},
journal = {Neuropsychol Rev},
title = {Developmental dyspraxia and developmental coordination disorder},
abstract = {This article discusses the role developmental dyspraxia plays in developmental coordination disorder (DCD), based upon a review of literature on apraxia, developmental dyspraxia, and DCD. Apraxia and dyspraxia have often been equated with DCD. However, it is argued that apraxia and dyspraxia primarily refer to the problems of motor sequencing and selection, which not all children with DCD exhibit. The author proposes to distinguish developmental dyspraxia from DCD. Other issues discussed include the assessment, etiology, and treatment of developmental dyspraxia and DCD, and the relationship between DCD and learning disabilities. A research agenda is offered regarding future directions to overcome current limitation.},
affiliation = {Movement Development Clinic, University of Otago, Dunedin, New Zealand.},
number = {4},
pages = {245--68},
volume = {5},
year = {1995},
month = {Dec},
language = {eng},
keywords = {Psychiatric Status Rating Scales, Apraxias, Psychomotor Disorders, Humans, Learning Disorders},
date-added = {2010-06-25 21:46:21 +0200},
date-modified = {2010-06-25 21:46:21 +0200},
pmid = {8866511},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Miyahara-1995-Neuropsychol%20Rev_Developmental%20dyspra.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p12942},
rating = {0}
}

@article{Ellis:2008p13806,
author = {M E Ellis and MI Aguirre-Urreta and W N Sun and G M Marakas},
title = {Establishing the need for measurement invariance in information systems research: A step-by-step example using technology acceptance research},
abstract = {Group comparisons must measure identical concepts across groups to be valid. To this end we provide a measurement invariance (MI) framework and an example of MI calculations, along with reasons for adoption by IS researchers.},
year = {2008},
date-added = {2010-07-29 12:22:33 +0200},
date-modified = {2010-07-29 12:23:52 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Ellis-2008-_Establishing%20the%20nee.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13806},
rating = {0}
}

@manual{Partchev:2004,
author = {Ivailo Partchev},
journal = {Manual},
title = {A visual guide to item response theory},
year = {2004},
month = {Feb},
date-added = {2010-01-10 11:33:25 +0100},
date-modified = {2010-01-10 11:33:25 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Partchev-2004-Manual_A%20visual%20guide%20to%20it.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p1914},
rating = {0}
}

@article{Fuente:2009p537,
author = {EIDl Fuente and Gustavo R Canadas and Joan Guardia and Luis M Lozano},
journal = {Methodology},
title = {Hypothesis Probability or Statistical Significance? Inference for the Mean in a Normal Distribution},
abstract = {After almost a century of debate among renowned statisticians, 21st century traditional Statistical Inference is marked by controversy over the application of the procedures for hypothesis estimation and contrast. The aim of this paper is twofold: First, to present various debatable issues that arise when the mean in a Normal distribution of known precision is contrasted and second, to argue the suitability of Bayesian philosophy for the analysis of research data.},
affiliation = {University of Granada, Spain},
number = {1},
pages = {35--39},
volume = {5},
year = {2009},
keywords = {Bayesian estimation, Bayesian hypothesis test},
date-added = {2010-01-03 13:56:21 +0100},
date-modified = {2010-07-29 20:04:05 +0200},
doi = {10.1027/1614-2241.5.1.35},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Fuente-2009-Methodology_Hypothesis%20Probabili.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p537},
read = {Yes},
rating = {0}
}

@article{Zalsman:2006p7520,
author = {Gil Zalsman and Yung-Yu Huang and Maria A Oquendo and Ainsley K Burke and Xian-Zhang Hu and David A Brent and Steven P Ellis and David Goldman and J John Mann},
journal = {Am J Psychiatry},
title = {Association of a triallelic serotonin transporter gene promoter region (5-HTTLPR) polymorphism with stressful life events and severity of depression},
abstract = {OBJECTIVE: The lower expressing allele of the serotonin transporter gene 5' promoter region (5-HTTLPR) polymorphism is reported to be associated with susceptibility to depression and suicidality in response to stressful life events. The authors examined the relationship of a triallelic 5-HTTLPR polymorphism to stressful life events, severity of major depression, and suicidality. METHOD: Mood disorder subjects (N=191) and healthy volunteers (N=125), all Caucasian subjects of European origin, were genotyped for the triallelic 5-HTTLPR polymorphism (higher expressing allele: L(A); lower expressing alleles: L(G), S). All subjects underwent structured clinical interviews to determine DSM-IV diagnoses, ratings of psychopathology, stressful life events, developmental history, and suicidal behavior. CSF 5-HIAA was assayed in a subgroup of subjects. RESULTS: Lower expressing alleles independently predicted greater depression severity and predicted greater severity of major depression with moderate to severe life events compared with the higher expressing L(A) allele. No associations with suicidal behavior and CSF 5-HIAA were found. CONCLUSIONS: Lower expressing transporter alleles, directly and by increasing the impact of stressful life events on severity, explain 31% of the variance in major depression severity. The biological phenotype responsible for these effects remains to be elucidated.},
affiliation = {Department of Neuroscience, New York State Psychiatric Institute, 1051 Riverside Dr., Box 42, New York, NY 10032, USA.},
number = {9},
pages = {1588--93},
volume = {163},
year = {2006},
month = {Sep},
language = {eng},
keywords = {Hydroxyindoleacetic Acid, Adult, Male, Serotonin Plasma Membrane Transport Proteins, Suicide, Phenotype, Polymorphism: Genetic, Life Change Events, Genetic Predisposition to Disease, Female, Gene Frequency, Humans, Alleles, Depressive Disorder: Major, Severity of Illness Index, Gene Expression, Psychiatric Status Rating Scales, Genotype, Diagnostic and Statistical Manual of Mental Disorders, Promoter Regions: Genetic},
date-added = {2010-03-14 10:51:56 +0100},
date-modified = {2010-03-14 10:51:57 +0100},
doi = {10.1176/appi.ajp.163.9.1588},
pii = {163/9/1588},
pmid = {16946185},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Zalsman-2006-Am%20J%20Psychiatry_Association%20of%20a%20tri.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p7520},
read = {Yes},
rating = {0}
}

@article{Geurts:2006p14297,
author = {Pierre Geurts and Damien Ernst and Louis Wehenkel},
journal = {Machine Learning},
title = {Extremely randomized trees},
abstract = {This paper proposes a new tree-based ensemble method for supervised classifica- tion and regression problems. It essentially consists of randomizing strongly both attribute and cut-point choice while splitting a tree node. In the extreme case, it builds totally random- ized trees whose structures are independent of the output values of the learning sample. The strength of the randomization can be tuned to problem specifics by the appropriate choice of a parameter. We evaluate the robustness of the default choice of this parameter, and we also provide insight on how to adjust it in particular situations. Besides accuracy, the main strength of the resulting algorithm is computational efficiency. A bias/variance analysis of the Extra-Trees algorithm is also provided as well as a geometrical and a kernel characterization of the models induced.},
pages = {3--42},
volume = {63},
year = {2006},
date-added = {2010-08-24 14:15:40 +0200},
date-modified = {2010-08-24 14:16:48 +0200},
doi = {10.1007/s10994-006-6226-1},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Geurts-2006-Machine%20Learning_Extremely%20randomized.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p14297},
rating = {0}
}

@article{Ferrando:2009p494,
author = {Pere J Ferrando and Cristina Anguiano-Carrasco},
journal = {Multivariate Behavioral Research},
title = {Assessing the Impact of Faking on Binary Personality Measures: An IRT-Based
Multiple-Group Factor Analytic Procedure},
abstract = {This article proposes a model-based multiple-group procedure for assessing the impact of faking on personality measures and the scores derived from these measures. The assessment is at the item level and the base model, which is intended for binary items, can be parameterized both as an Item Response Theory (IRT) model and as an Item Factor-Analytic (FA) model. The specific solution proposed is bidimensional, and the propensity to fake is specifically modeled as a second factor. The approach we propose allows (a) previous separate results obtained either from IRT-based or from FA-based studies to be related and (b) some hypotheses on measurement invariance and structural changes to be assessed in more detail. The procedure was used in a study based on 2 personality scales that were administered in 1 group under standard instructions and in another group under faking-good instructions. For both scales, results suggested that strong measurement invariance was attained. Also, for both scales substantial mean changes were obtained in the propensity-to-fake factor but not in the content factors. The implications of the results and future research directions are discussed.},
pages = {497--524},
volume = {44},
year = {2009},
date-added = {2010-01-03 12:59:54 +0100},
date-modified = {2010-01-03 13:01:32 +0100},
doi = {10.1080/00273170903103340},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Ferrando-2009-Multivariate%20Behavioral%20Research_Assessing%20the%20Impact.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p494},
rating = {0}
}

@article{Handl:2006p13157,
author = {J Handl and J Knowles},
journal = {International Journal of Computational Intelligence Research},
title = {Feature Subset Selection in Unsupervised Learning via Multiobjective Optimization},
abstract = {selection and its formulation as a multiobjective optimization problem are investigated. Two existing multiobjective methods from the literature are revisited and used as the basis for an algorithmic framework, encompassing both wrapper and filter methods of feature selection. A number of alternative algorithms implemented within this framework are then evaluated using an extensive data test suite; the main effect investigated is that of the choice of a primary objective function (a secondary objective function is used only to militate against an inherent cardinality bias affecting all methods of feature subset evaluation). Partic- ular attention is paid in the study to high-dimensional data sets in which the number of features is much larger than the number of data items.},
number = {3},
pages = {217--238},
volume = {2},
year = {2006},
date-added = {2010-06-26 11:15:31 +0200},
date-modified = {2010-06-26 11:16:21 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Handl-2006-International%20Journal%20of%20Computational%20Intelligence%20Research_Feature%20Subset%20Selec.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13157},
rating = {0}
}

@article{Kolevzon:2006p9969,
author = {Alexander Kolevzon and Mark Weiser and Raz Gross and Gad Lubin and Haim Y Knobler and James Schmeidler and Jeremy M Silverman and Abraham Reichenberg},
journal = {Am J Psychiatry},
title = {Effects of season of birth on autism spectrum disorders: fact or fiction?},
abstract = {OBJECTIVE: This study attempted to examine the relationship between month and season of birth and risk for autism spectrum disorders. METHOD: The cohort included all Jewish individuals born in Israel over 5 consecutive years (N=311,169) and assessed by the Israeli Draft Board as part of the mandatory assessment of eligibility for military service conducted at age 17. The outcome of autism spectrum disorders was ascertained from the Draft Board Medical Registry, which contains information about medical and psychiatric disorders for this population of adolescents. RESULTS: There was no association between month or season of birth and the prevalence of autistic spectrum disorders. CONCLUSIONS: The findings from this historical, population-based cohort study do not support an association between season of birth and autistic spectrum disorders.},
affiliation = {Department of Psychiatry, Mount Sinai School of Medicine, One Gustave L. Levy Place, Box 1230, New York, NY 10029, USA.},
number = {7},
pages = {1288--90},
volume = {163},
year = {2006},
month = {Jul},
language = {eng},
keywords = {Adolescent, Female, Male, Humans, Seasons, Birth Rate, Registries, Israel, Cohort Studies, Military Personnel, Risk Factors, Prevalence, Autistic Disorder},
date-added = {2010-03-31 19:44:22 +0200},
date-modified = {2010-07-29 19:51:28 +0200},
doi = {10.1176/appi.ajp.163.7.1288},
pii = {163/7/1288},
pmid = {16816239},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Kolevzon-2006-Am%20J%20Psychiatry_Effects%20of%20season%20of.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p9969},
rating = {0}
}

@article{Pickard:2009p7226,
author = {A Simon Pickard and James W Shaw and Hsiang-Wen Lin and Peter C Trask and Neil K Aaronson and Todd A Lee and David Cella},
journal = {Value Health},
title = {A patient-based utility measure of health for clinical trials of cancer therapy based on the European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire},
abstract = {BACKGROUND: The European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire (QLQ-C30) is a widely used quality-of-life measure in oncology. The ability to translate QLQ-C30 responses into utility scores would further expand its use in medical decision-making. The aims of this study were to: 1) map QLQ-C30 responses onto patient time trade-off utility scores; and 2) compare a multiattribute approach to a global evaluation approach to modeling utility scores. METHODS: Two distinct approaches were applied to data from 1432 cancer patients. The multiattribute approach used psychometric analysis and expert input to select a subset of functioning and symptom scale items for modeling. The second approach focused on global health and quality-of-life items based on a conceptual model. Model selection criteria included parsimony, statistical significance and logical consistency of parameter estimates, predictive accuracy, number of states described, and scale range. RESULTS: The optimal multiattribute model included nine variables for five items from different scales, described 144 unique states, predicted values ranging from 0.63 to 1.00, but it had poor predictive accuracy (cross-validation pseudo-R(2) = 0.056). The best-fitting global approach-based model described 24 unique states using eight indicators for two items from one scale (plus a constant) and predicted values ranging from 0.17 to 1.00 (cross-validation pseudo-R(2) = 0.127). CONCLUSIONS: Multiattribute models produced a greater number of unique predicted values, while global models exhibited more desirable statistical properties and a wider range of values. The recommended models will enable users to predict cancer patients' utilities from existing and future QLQ-C30 data sets.},
affiliation = {Center for Pharmacoeconomic Research, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612-7230, USA. pickard1@uic.edu},
number = {6},
pages = {977--88},
volume = {12},
year = {2009},
month = {Sep},
language = {eng},
keywords = {Sickness Impact Profile, Male, Humans, Regression Analysis, Quality of Life, Questionnaires, Europe, Academic Medical Centers, Female, Psychometrics, Middle Aged, Neoplasms, Adult, United States, Activities of Daily Living, Aged, Algorithms, Clinical Trials as Topic},
date-added = {2010-03-08 19:33:30 +0100},
date-modified = {2010-07-29 20:13:56 +0200},
doi = {10.1111/j.1524-4733.2009.00545.x},
pii = {VHE545},
pmid = {19402850},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p7226},
rating = {0}
}

@article{Vezina:1999p13998,
author = {J V{\'e}zina and P Landreville and P Bourque and L Blanchard},
title = {Questionnaire de D{\'e}pression de Beck
Etude psychom{\'e}trique aupr{\`e}s d'une population {\^a}g{\'e}e francophone},
abstract = {Psychometrics propreties of the Beck Depression Inventory are questionable for elderly francophones. Consequently, the aim of this study is to assess the reliability and the validity of the French version of the BDI (Questionnaire de D{\'e}pression de Beck: Bourque {\&} Beaudette, 1982) for this group. Six hundred and forty-three French-speaking elders from Quebec and New-Brunswick answered the BDI. The reliability coefficients showed satisfactory internal consistency (.85), split-half reliability (.76) and test-retest correlation (.74). A principal-components analysis yielded three factors (somatic complaints, negative view of the self, and helplessness) accounting for 46.9% of the total variance. The choice of an optimal cut-off scores and the use of the BDI with the elderly are also discussed in this study.},
year = {1999},
date-added = {2010-08-04 09:24:30 +0200},
date-modified = {2010-08-04 09:25:36 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/V%C3%A9zina-1999-_Questionnaire%20de%20De%CC%81.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13998},
rating = {0}
}

@article{Cawley:2006p14224,
author = {G C Cawley},
title = {Leave-One-Out Cross-Validation Based Model Selection Criteria for Weighted LS-SVMs},
abstract = {While the model parameters of many kernel learn- ing methods are given by the solution of a convex optimisation problem, the selection of good values for the kernel and regularisation parameters, i.e. model selection, is much less straight-forward. This paper describes a simple and efficient approach to model selection for weighted least-squares support vector machines, and compares a variety of model selection criteria based on leave-one-out cross-validation. An external cross-validation procedure is used for performance estimation, with model selection performed independently in each fold to avoid selection bias. The best entry based on these methods was ranked in joint first place in the WCCI-2006 performance prediction challenge, demonstrating the effectiveness of this approach.},
year = {2006},
date-added = {2010-08-22 21:08:03 +0200},
date-modified = {2010-08-22 21:08:42 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Cawley-2006-_Leave-One-Out%20Cross.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p14224},
rating = {0}
}

@article{B:2002p543,
author = {Trond B{\o} and Inge Jonassen},
journal = {Genome Biol},
title = {New feature subset selection procedures for classification of expression profiles},
abstract = {BACKGROUND: Methods for extracting useful information from the datasets produced by microarray experiments are at present of much interest. Here we present new methods for finding gene sets that are well suited for distinguishing experiment classes, such as healthy versus diseased tissues. Our methods are based on evaluating genes in pairs and evaluating how well a pair in combination distinguishes two experiment classes. We tested the ability of our pair-based methods to select gene sets that generalize the differences between experiment classes and compared the performance relative to two standard methods. To assess the ability to generalize class differences, we studied how well the gene sets we select are suited for learning a classifier. RESULTS: We show that the gene sets selected by our methods outperform the standard methods, in some cases by a large margin, in terms of cross-validation prediction accuracy of the learned classifier. We show that on two public datasets, accurate diagnoses can be made using only 15-30 genes. Our results have implications for how to select marker genes and how many gene measurements are needed for diagnostic purposes. CONCLUSION: When looking for differential expression between experiment classes, it may not be sufficient to look at each gene in a separate universe. Evaluating combinations of genes reveals interesting information that will not be discovered otherwise. Our results show that class prediction can be improved by taking advantage of this extra information.},
affiliation = {Department of Informatics, University of Bergen, N-5020 Bergen, Norway. trondb@ii.uib.no},
number = {4},
pages = {RESEARCH0017},
volume = {3},
year = {2002},
month = {Jan},
language = {eng},
keywords = {Colonic Neoplasms, Colon, Humans, Reproducibility of Results, Leukemia, Sensitivity and Specificity, Gene Expression Profiling, Oligonucleotide Array Sequence Analysis, RNA: Messenger, Molecular Diagnostic Techniques},
date-added = {2010-01-03 14:14:09 +0100},
date-modified = {2010-01-03 14:14:09 +0100},
pmid = {11983058},
local-url = {file://localhost/Users/chl/Dropbox/Papers/B%C3%B8-2002-Genome%20Biol_New%20feature%20subset%20s.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p543},
rating = {0}
}

@article{Bruce:2003p13509,
author = {Bonnie Bruce and James F Fries},
journal = {J Rheumatol},
title = {The Stanford Health Assessment Questionnaire: a review of its history, issues, progress, and documentation},
abstract = {Over the last 2 decades, assessment of patient health status has undergone a dramatic paradigm shift, evolving from a predominant reliance on biochemical and physical measurements to an emphasis upon health outcomes based on the patient's personal appreciation of their illness. The Health Assessment Questionnaire (HAQ), published in 1980, was among the first instruments based on patient centered dimensions. The HAQ was designed to represent a model of patient oriented outcome assessment and has played a major role in diverse areas such as prediction of successful aging, inversion of the therapeutic pyramid in rheumatoid arthritis (RA), quantification of nonsteroidal antiinflammatory drug gastropathy, development of risk factor models for osteoarthrosis, and examination of mortality risks in RA. The HAQ has established itself as a valuable, effective, and sensitive tool for measurement of health status. It has increased the credibility and use of validated self-report measurement techniques as a quantifiable set of hard data endpoints and has contributed to a new appreciation of outcome assessment. We review the development, content, and dissemination of the HAQ and provide reference sources for its uses, translations, and validations. We discuss contemporary issues regarding outcome assessment instruments relative to the HAQ's identity and utility. These include: (1) the issue of labeling instruments as generic versus disease-specific; (2) floor and ceiling effects in scales such as "disability"; (3) distances between values on scales; and (4) the continuing introduction of new measurement instruments and their potential effects.},
affiliation = {Division of Immunology and Rheumatology, Stanford University School of Medicine, Palo Alto, California, USA. bbruce@Stanford.edu},
number = {1},
pages = {167--78},
volume = {30},
year = {2003},
month = {Jan},
language = {eng},
keywords = {Questionnaires, Outcome Assessment (Health Care), Humans, Health Status, Osteoarthritis, Disability Evaluation, Arthritis: Rheumatoid, History: 20th Century},
date-added = {2010-07-07 21:02:35 +0200},
date-modified = {2010-07-29 19:52:38 +0200},
pii = {0315162X-30-167},
pmid = {12508408},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Bruce-2003-J%20Rheumatol_The%20Stanford%20Health.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13509},
rating = {0}
}

@article{Sladden:1998p4525,
author = {T J Sladden and A R Hickey and T M Dunn and J R Beard},
journal = {Aust N Z J Public Health},
title = {Hepatitis C virus infection: impacts on behaviour and lifestyle},
abstract = {A cross-sectional study was conducted of persons notified with hepatitis C virus (HCV) infection on the NSW North Coast during 1993 and 1994. The personal impact of infection was investigated using a self-administered questionnaire. Many cases were currently well, however nearly half reported fatigue and other adverse physical/mental/social outcomes were noted. Tobacco use by subjects was high. People with HCV infection require continued support via appropriate screening, referral and treatment services; access to information; and countering community discrimination, stereotyping and concern about HCV.},
affiliation = {Northern Rivers Institute of Health and Research, Northern Rivers Area Health Service, New South Wales. tslad@doh.health.nsw.gov.au},
number = {4},
pages = {509--11},
volume = {22},
year = {1998},
month = {Jun},
language = {eng},
keywords = {Male, Female, Australia, Adaptation: Psychological, Prognosis, Cross-Sectional Studies, Questionnaires, Hepatitis C, Humans, Risk Factors, Life Style, Health Knowledge: Attitudes: Practice},
date-added = {2010-01-29 22:13:34 +0100},
date-modified = {2010-01-29 22:13:34 +0100},
pmid = {9659782},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p4525},
rating = {0}
}

@article{Savitz:2006p13188,
author = {J Savitz and M Solms and R Ramesar},
journal = {Genes Brain Behav},
title = {The molecular genetics of cognition: dopamine, COMT and BDNF},
abstract = {The important contribution of genetic factors to the development of cognition and intelligence is widely acknowledged, but identification of these genes has proven to be difficult. Given a variety of evidence implicating the prefrontal cortex and its dopaminergic circuits in cognition, most of the research conducted to date has focused on genes regulating dopaminergic function. Here we review the genetic association studies carried out on catechol-O-methyltransferase (COMT) and the dopamine receptor genes, D1, D2 and D4. In addition, the evidence implicating another promising candidate gene, brain-derived neurotrophic factor (BDNF) in neuropsychological function, is assessed. Both the COMT val158met polymorphism and the BDNF val66met variant appear to influence cognitive function, but the specific neurocognitive processes involved continue to be a matter of debate. Part of the difficulty is distinguishing between false positives, pleiotropy and the influence of a general intelligence factor, g. Also at issue is the complexity of the relevant neuromolecular pathways, which make the inference of simple causal relationships difficult. The implications of molecular genetic cognitive research for psychiatry are discussed in light of these data.},
affiliation = {MRC/UCT Human Genetics Research Unit, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, South Africa. js@cormack.uct.ac.za},
number = {4},
pages = {311--28},
volume = {5},
year = {2006},
month = {Jun},
language = {eng},
keywords = {Molecular Biology, Humans, Cognition Disorders, Prefrontal Cortex, Dopamine, Gene Expression Regulation, Animals, Polymorphism: Genetic, Catechol O-Methyltransferase, Cognition, Receptors: Dopamine, Brain-Derived Neurotrophic Factor},
date-added = {2010-07-01 15:19:32 +0200},
date-modified = {2010-07-01 15:19:32 +0200},
doi = {10.1111/j.1601-183X.2005.00163.x},
pii = {GBB163},
pmid = {16716201},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Savitz-2006-Genes%20Brain%20Behav_The%20molecular%20geneti.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13188},
read = {Yes},
rating = {0}
}

@article{Belvedere:2010p12843,
author = {S L Belvedere and N A de Morton},
journal = {Journal of Clinical Epidemiology},
title = {Application of Rasch analysis in health care is increasing and is applied for variable reasons in mobility instruments},
abstract = {Objective: To identify the frequency of Rasch analysis use in health instrument development or refinement and the characteristics of Rasch application in mobility scales.
Study Design and Setting: The entire databases of Medline, CINAHL, PEDro, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane Database of Systematic Reviews were searched until January 2009. Articles that reported the development or refine- ment of health instruments using Rasch analysis were included. Of the 234 articles that met inclusion, 10 were categorized as ``mobility'' instruments. Data were extracted relating to each instrument and the use of Rasch analysis in the development or refinement of the instruments.
Results: The number of articles reporting the use of Rasch analysis of health instruments is increasing, from 1 article in 1987 to 48 articles in 2007. Of the 10 mobility instruments examined, the primary reason Rasch was used varied. Reasons included assessing instru- ment unidimensionality, differential item functioning, rating categories, item hierarchy, and redundant items.
Conclusion: The application of Rasch analysis in health instrument development has markedly increased in recent years. However, few mobility instruments have been developed or refined using Rasch analysis. The reasons that the Rasch model was used varied across mobility instruments.},
year = {2010},
date-added = {2010-06-21 20:09:35 +0200},
date-modified = {2010-06-21 20:10:33 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Belvedere-2010-Journal%20of%20Clinical%20Epidemiology_Application%20of%20Rasch.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p12843},
rating = {0}
}

@article{Maus:2010p12915,
author = {B Maus and G J P van Breukelen and R Goebel and M P F Berger},
journal = {Psychometrika},
title = {Optimization of blocked designs in fmri studies},
abstract = {Blocked designs in functional magnetic resonance imaging (fMRI) are useful to localize functional brain areas. A blocked design consists of different blocks of trials of the same stimulus type and is charac- terized by three factors: the length of blocks, i.e., number of trials per blocks, the ordering of task and rest blocks, and the time between trials within one block. Optimal design theory was applied to find the opti- mal combination of these three design factors. Furthermore, different error structures were used within a general linear model for the analysis of fMRI data, and the maximin criterion was applied to find designs which are robust against misspecification of model parameters.},
number = {2},
pages = {373--390},
volume = {75},
year = {2010},
date-added = {2010-06-24 17:50:10 +0200},
date-modified = {2010-06-24 17:51:24 +0200},
doi = {10.1007/S11336-010-9159-3},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Maus-2010-Psychometrika_Optimization%20of%20bloc.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p12915},
rating = {0}
}

@article{Parekh:2003p5383,
author = {Priti I Parekh and James A Blumenthal and Michael A Babyak and Kari Merrill and Robert M Carney and R Duane Davis and Scott M Palmer and INSPIRE Investigators},
journal = {Chest},
title = {Psychiatric disorder and quality of life in patients awaiting lung transplantation},
abstract = {STUDY OBJECTIVE: To examine the relationship between psychiatric comorbidity and quality of life in patients awaiting lung transplantation. SETTING: Duke University Medical Center/Lung Transplantation Program. PARTICIPANTS: One hundred patients with end-stage pulmonary disease listed for lung transplantation. MEASUREMENTS AND RESULTS: Twenty-five percent (n = 25) of the sample met diagnostic criteria for at least one current mood or anxiety disorder. Controlling for age, gender, ethnicity, percentage of predicted FEV, and lung disease diagnosis, patients with a current psychiatric diagnosis reported poorer general quality of life (p < 0.0001), poorer disease-specific quality of life (p < 0.0001), greater shortness of breath (p = 0.01), more symptoms of psychological distress (p < 0.0001), lower levels of social support (p < 0.0001), and fewer positive health habits (p < 0.04) than their counterparts without a psychiatric diagnosis. CONCLUSIONS: Psychiatric comorbidity affects a significant portion of patients awaiting lung transplantation and is associated with decreased health-related quality of life.},
affiliation = {Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA.},
number = {5},
pages = {1682--8},
volume = {124},
year = {2003},
month = {Nov},
language = {eng},
keywords = {Female, Waiting Lists, Quality of Life, Mental Disorders, Humans, Mood Disorders, Anxiety Disorders, Questionnaires, Male, Health Status, Stress: Psychological, Psychiatric Status Rating Scales, Middle Aged, Lung Diseases, Lung Transplantation},
date-added = {2010-02-11 10:30:37 +0100},
date-modified = {2010-02-11 10:30:37 +0100},
pmid = {14605035},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Parekh-2003-Chest_Psychiatric%20disorder.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p5383},
rating = {0}
}

@article{London:2009p8905,
author = {Edythe D London and Steven M Berman and Parvenah Mohammadian and Terrie Ritchie and Mark A Mandelkern and Mary K W Susselman and Florian Schlagenhauf and Ernest P Noble},
journal = {Psychiatry Res},
title = {Effect of the TaqIA polymorphism on ethanol response in the brain},
abstract = {Acute ethanol administration increases striatal dopamine release and decreases cerebral glucose metabolism. The A1 allele of the ANKK1 TaqIa polymorphism is associated with lower dopaminergic tone and greater risk for alcoholism, but the mechanisms are unclear. We hypothesized that ethanol would be more reinforcing in men with the A1 allele (A1+) than in men without it (A1-), as indicated by decreased anxiety and fatigue and altered activity in associated brain regions. In a pilot study, A1+ and A1- men (6/group) drank ethanol (0.75 ml/kg) or placebo beverages on each of 2 days. Positron emission tomography with [F-18]fluorodeoxyglucose (FDG) was used to assess regional cerebral glucose metabolism as a measure of relative brain activity while participants performed a vigilance task. Significant findings were as follows: Ethanol decreased anxiety and fatigue in A1+ men but increased them in A1- men. Ethanol increased activity in the striatum and insula of A1+ men, but reduced activity in the anterior cingulate of A1- men. Reduced anxiety and fatigue in A1+ men were significantly associated with greater activity within a right orbitofrontal region previously implicated in cognitive control, and less activity in structures associated with anxiety (amygdala), fatigue (thalamus), and craving/reinforcement (striatum). In contrast, anxiety and fatigue changes were unrelated to brain activity in A1- men. Although these results require replication in a larger sample, alcohol-induced negative reinforcement may explain the greater risk for alcoholism associated with the A1 allele.},
affiliation = {Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 90095, United States. Elondon@mednet.ucla.edu},
number = {3},
pages = {163--70},
volume = {174},
year = {2009},
month = {Dec},
language = {eng},
keywords = {Central Nervous System Depressants, Reaction Time, Brain Mapping, Brain, Young Adult, Fluorodeoxyglucose F18, Protein-Serine-Threonine Kinases, Adult, Alleles, Self Concept, Ethanol, Glucose, Fatigue, Gene Frequency, Male, Humans, Arousal, Neuropsychological Tests, Positron-Emission Tomography, Polymorphism: Genetic, Anxiety, Cerebrovascular Circulation},
date-added = {2010-03-22 12:55:37 +0100},
date-modified = {2010-07-29 19:45:28 +0200},
doi = {10.1016/j.pscychresns.2009.07.008},
pii = {S0925-4927(09)00173-5},
pmid = {19914044},
URL = {http://linkinghub.elsevier.com/retrieve/pii/S0925-4927(09)00173-5},
local-url = {file://localhost/Users/chl/Dropbox/Papers/London-2009-Psychiatry%20Res_Effect%20of%20the%20TaqIA.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p8905},
rating = {0}
}

@article{Lippa:2010p13902,
author = {Richard A Lippa},
journal = {Arch Sex Behav},
title = {Sex differences in personality traits and gender-related occupational preferences across 53 nations: testing evolutionary and social-environmental theories},
abstract = {Using data from over 200,000 participants from 53 nations, I examined the cross-cultural consistency of sex differences for four traits: extraversion, agreeableness, neuroticism, and male-versus-female-typical occupational preferences. Across nations, men and women differed significantly on all four traits (mean ds = -.15, -.56, -.41, and 1.40, respectively, with negative values indicating women scoring higher). The strongest evidence for sex differences in SDs was for extraversion (women more variable) and for agreeableness (men more variable). United Nations indices of gender equality and economic development were associated with larger sex differences in agreeableness, but not with sex differences in other traits. Gender equality and economic development were negatively associated with mean national levels of neuroticism, suggesting that economic stress was associated with higher neuroticism. Regression analyses explored the power of sex, gender equality, and their interaction to predict men's and women's 106 national trait means for each of the four traits. Only sex predicted means for all four traits, and sex predicted trait means much more strongly than did gender equality or the interaction between sex and gender equality. These results suggest that biological factors may contribute to sex differences in personality and that culture plays a negligible to small role in moderating sex differences in personality.},
affiliation = {Department of Psychology, California State University, Fullerton, Fullerton, CA 92834, USA. rlippa@fullerton.edu},
number = {3},
pages = {619--36},
volume = {39},
year = {2010},
month = {Jun},
language = {eng},
keywords = {Male, Female, Models: Psychological, Cross-Cultural Comparison, Environment, Evolution, Social Behavior, Personality, Economic Development, Sex Characteristics, Culture, Adult, Occupations, Regression Analysis, Humans},
date-added = {2010-07-29 18:35:22 +0200},
date-modified = {2010-07-29 18:35:22 +0200},
doi = {10.1007/s10508-008-9380-7},
pmid = {18712468},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13902},
rating = {0}
}

@article{Stewart:2010p10199,
author = {Jennifer L Stewart and Rebecca Levin Silton and Sarah M Sass and Joscelyn E Fisher and J Christopher Edgar and Wendy Heller and Gregory A Miller},
journal = {Int J Psychophysiol},
title = {Attentional bias to negative emotion as a function of approach and withdrawal anger styles: an ERP investigation},
abstract = {Although models of emotion have focused on the relationship between anger and approach motivation associated with aggression, anger is also related to withdrawal motivation. Anger-out and anger-in styles are associated with psychopathology and may disrupt the control of attention within the context of negatively valenced information. The present study used event-related brain potentials (ERPs) to examine whether anger styles uniquely predict attentional bias to negative stimuli during an emotion-word Stroop task. High anger-out predicted larger N200, P300, and N400 to negative words, suggesting that aggressive individuals exert more effort to override attention to negative information. In contrast, high anger-in predicted smaller N400 amplitude to negative words, indicating that negative information may be readily available (primed) for anger suppressors, requiring fewer resources. Individuals with an anger-out style might benefit from being directed away from provocative stimuli that might otherwise consume their attention and foster overt aggression. Findings indicating that anger-out and anger-in were associated with divergent patterns of brain activity provide support for distinguishing approach- and withdrawal-related anger styles.},
affiliation = {Department of Psychology, University of Arizona, Tucson, AZ 85721, USA. jlstewar@email.arizona.edu},
number = {1},
pages = {9--18},
volume = {76},
year = {2010},
month = {Apr},
language = {eng},
date-added = {2010-04-01 18:18:11 +0200},
date-modified = {2010-04-01 18:18:11 +0200},
doi = {10.1016/j.ijpsycho.2010.01.008},
pii = {S0167-8760(10)00015-2},
pmid = {20109502},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p10199},
rating = {0}
}

@article{Christensen:2009p3382,
author = {G B Christensen and S Knight and N J Camp},
journal = {Genet Epidemiol},
title = {The sumLINK statistic for genetic linkage analysis in the presence of heterogeneity},
abstract = {We present the "sumLINK" statistic--the sum of multipoint LOD scores for the subset of pedigrees with nominally significant linkage evidence at a given locus--as an alternative to common methods to identify susceptibility loci in the presence of heterogeneity. We also suggest the "sumLOD" statistic (the sum of positive multipoint LOD scores) as a companion to the sumLINK. sumLINK analysis identifies genetic regions of extreme consistency across pedigrees without regard to negative evidence from unlinked or uninformative pedigrees. Significance is determined by an innovative permutation procedure based on genome shuffling that randomizes linkage information across pedigrees. This procedure for generating the empirical null distribution may be useful for other linkage-based statistics as well. Using 500 genome-wide analyses of simulated null data, we show that the genome shuffling procedure results in the correct type 1 error rates for both the sumLINK and sumLOD. The power of the statistics was tested using 100 sets of simulated genome-wide data from the alternative hypothesis from GAW13. Finally, we illustrate the statistics in an analysis of 190 aggressive prostate cancer pedigrees from the International Consortium for Prostate Cancer Genetics, where we identified a new susceptibility locus. We propose that the sumLINK and sumLOD are ideal for collaborative projects and meta-analyses, as they do not require any sharing of identifiable data between contributing institutions. Further, loci identified with the sumLINK have good potential for gene localization via statistical recombinant mapping, as, by definition, several linked pedigrees contribute to each peak.},
affiliation = {Department of Biomedical Informatics, University of Utah School of Medicine, Salt Lake City, Utah 84108-1266, USA. bryce.christensen@utah.edu},
number = {7},
pages = {628--36},
volume = {33},
year = {2009},
month = {Nov},
language = {eng},
keywords = {Molecular Epidemiology, Humans, Computer Simulation, Linkage (Genetics), Pedigree, Statistics as Topic, Male, Research Design, Models: Genetic, Lod Score, False Positive Reactions, Prostatic Neoplasms, Genome-Wide Association Study, Genome, Models: Statistical},
date-added = {2010-01-15 14:41:40 +0100},
date-modified = {2010-01-15 14:41:40 +0100},
doi = {10.1002/gepi.20414},
pmid = {19217022},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p3382},
rating = {0}
}

@article{Hartley:1968p6320,
author = {H O Hartley and J N K Rao},
journal = {Biometrika},
title = {A New Estimation Theory for Sample Surveys},
number = {3},
pages = {547--557},
volume = {55},
year = {1968},
date-added = {2010-02-20 21:14:55 +0100},
date-modified = {2010-02-20 21:15:40 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Hartley-1968-Biometrika_A%20New%20Estimation%20The.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p6320},
rating = {0}
}

@article{Tang:2010p1710,
author = {Man-Lai Tang and Man-Ho Ling and Leevan Ling and Guoliang Tian},
journal = {Stat Med},
title = {Confidence intervals for a difference between proportions based on paired data},
abstract = {We construct several explicit asymptotic two-sided confidence intervals (CIs) for the difference between two correlated proportions using the method of variance of estimates recovery (MOVER). The basic idea is to recover variance estimates required for the proportion difference from the confidence limits for single proportions. The CI estimators for a single proportion, which are incorporated with the MOVER, include the Agresti-Coull, the Wilson, and the Jeffreys CIs. Our simulation results show that the MOVER-type CIs based on the continuity corrected Phi coefficient and the Tango score CI perform satisfactory in small sample designs and spare data structures. We illustrate the proposed CIs with several real examples.},
affiliation = {Department of Mathematics, Hong Kong Baptist University, Hong Kong, People's Republic of China. mltang@math.hkbu.edu.hk},
number = {1},
pages = {86--96},
volume = {29},
year = {2010},
month = {Jan},
language = {eng},
date-added = {2010-01-09 19:25:56 +0100},
date-modified = {2010-01-09 19:25:56 +0100},
doi = {10.1002/sim.3738},
pmid = {19823977},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Tang-2010-Stat%20Med_Confidence%20intervals.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p1710},
rating = {0}
}

@article{Ziegler:2008p4075,
author = {Andreas Ziegler and Inke R K{\"o}nig and John R Thompson},
journal = {Biom J},
title = {Biostatistical aspects of genome-wide association studies},
abstract = {To search the entire human genome for association is a novel and promising approach to unravelling the genetic basis of complex genetic diseases. In these genome-wide association studies (GWAs), several hundreds of thousands of single nucleotide polymorphisms (SNPs) are analyzed at the same time, posing substantial biostatistical and computational challenges. In this paper, we discuss a number of biostatistical aspects of GWAs in detail. We specifically consider quality control issues and show that signal intensity plots are a sine qua condition non in today's GWAs. Approaches to detect and adjust for population stratification are briefly examined. We discuss different strategies aimed at tackling the problem of multiple testing, including adjustment of p -values, the false positive report probability and the false discovery rate. Another aspect of GWAs requiring special attention is the search for gene-gene and gene-environment interactions. We finally describe multistage approaches to GWAs.},
affiliation = {Institut f{\"u}r Medizinische Biometrie und Statistik, Universit{\"a}t zu L{\"u}beck, Ratzeburger Allee 160, 23538 L{\"u}beck, Germany. ziegler@imbs.uni-luebeck.de},
number = {1},
pages = {8--28},
volume = {50},
year = {2008},
month = {Feb},
language = {eng},
keywords = {Data Interpretation: Statistical, Biometry, Polymorphism: Single Nucleotide, Genome: Human, Humans, Quality Control, Genotype, Oligonucleotide Array Sequence Analysis, Linkage (Genetics), Genetic Predisposition to Disease},
date-added = {2010-01-19 15:53:21 +0100},
date-modified = {2010-07-29 19:19:18 +0200},
doi = {10.1002/bimj.200710398},
pmid = {18217698},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Ziegler-2008-Biom%20J_Biostatistical%20aspec.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p4075},
read = {Yes},
rating = {4}
}

@article{Paul:2006p8375,
author = {Isabella Paul and Christof Bott and Christian Wienbruch and Thomas R Elbert},
journal = {BMC Psychiatry},
title = {Word Processing differences between dyslexic and control children},
abstract = {BACKGROUND: The aim of this study was to investigate brain responses triggered by different wordclasses in dyslexic and control children. The majority of dyslexic children have difficulties to phonologically assemble a word from sublexical parts following grapheme-to-phoneme correspondences. Therefore, we hypothesised that dyslexic children should mainly differ from controls processing low frequent words that are unfamiliar to the reader. METHODS: We presented different wordclasses (high and low frequent words, pseudowords) in a rapid serial visual word (RSVP) design and performed wavelet analysis on the evoked activity. RESULTS: Dyslexic children had lower evoked power amplitudes and a higher spectral frequency for low frequent words compared to control children. No group differences were found for high frequent words and pseudowords. Control children had higher evoked power amplitudes and a lower spectral frequency for low frequent words compared to high frequent words and pseudowords. This pattern was not present in the dyslexic group. CONCLUSION: Dyslexic children differed from control children only in their brain responses to low frequent words while showing no modulated brain activity in response to the three word types. This might support the hypothesis that dyslexic children are selectively impaired reading words that require sublexical processing. However, the lacking differences between word types raise the question if dyslexic children were able to process the words presented in rapid serial fashion in an adequate way. Therefore the present results should only be interpreted as evidence for a specific sublexical processing deficit with caution.},
affiliation = {Department of Psychology, University of Konstanz, PO-Box D 25, 78457 Konstanz, Germany. Isabella.Paul@uni-konstanz.de},
pages = {5},
volume = {6},
year = {2006},
month = {Jan},
language = {eng},
keywords = {Vocabulary, Male, Form Perception, Psycholinguistics, Dyslexia, Phonetics, Female, Brain, Reading, Child, Humans, Temporal Lobe, Verbal Behavior, Frontal Lobe, Evoked Potentials: Visual, Semantics},
date-added = {2010-03-21 13:05:48 +0100},
date-modified = {2010-03-21 13:05:48 +0100},
doi = {10.1186/1471-244X-6-5},
pii = {1471-244X-6-5},
pmid = {16441886},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Paul-2006-BMC%20Psychiatry_Word%20Processing%20diff.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p8375},
rating = {0}
}

@techreport{Verhelst:1993,
author = {N D Verhelst},
journal = {Techreport},
title = {On the standard errors of parameter estimators in the Rasch model},
affiliation = {Cito},
year = {1993},
date-added = {2010-01-03 19:38:21 +0100},
date-modified = {2010-01-03 19:38:22 +0100},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p1169},
read = {Yes},
rating = {0}
}

@article{Wetterslev:2009p6393,
author = {J{\o}rn Wetterslev and Kristian Thorlund and Jesper Brok and Christian Gluud},
journal = {BMC Med Res Methodol},
title = {Estimating required information size by quantifying diversity in random-effects model meta-analyses},
abstract = {BACKGROUND: There is increasing awareness that meta-analyses require a sufficiently large information size to detect or reject an anticipated intervention effect. The required information size in a meta-analysis may be calculated from an anticipated a priori intervention effect or from an intervention effect suggested by trials with low-risk of bias. METHODS: Information size calculations need to consider the total model variance in a meta-analysis to control type I and type II errors. Here, we derive an adjusting factor for the required information size under any random-effects model meta-analysis. RESULTS: We devise a measure of diversity (D2) in a meta-analysis, which is the relative variance reduction when the meta-analysis model is changed from a random-effects into a fixed-effect model. D2 is the percentage that the between-trial variability constitutes of the sum of the between-trial variability and a sampling error estimate considering the required information size. D2 is different from the intuitively obvious adjusting factor based on the common quantification of heterogeneity, the inconsistency (I2), which may underestimate the required information size. Thus, D2 and I2 are compared and interpreted using several simulations and clinical examples. In addition we show mathematically that diversity is equal to or greater than inconsistency, that is D2 >or= I2, for all meta-analyses. CONCLUSION: We conclude that D2 seems a better alternative than I2 to consider model variation in any random-effects meta-analysis despite the choice of the between trial variance estimator that constitutes the model. Furthermore, D2 can readily adjust the required information size in any random-effects model meta-analysis.},
affiliation = {Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 3344, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, DK-2100 Copenhagen {\O}, Denmark. Wetterslev@ctu.rh.dk},
pages = {86},
volume = {9},
year = {2009},
month = {Jan},
language = {eng},
keywords = {Meta-Analysis as Topic, Statistics as Topic, Sample Size, Randomized Controlled Trials as Topic},
date-added = {2010-02-23 08:25:56 +0100},
date-modified = {2010-02-23 08:25:56 +0100},
doi = {10.1186/1471-2288-9-86},
pii = {1471-2288-9-86},
pmid = {20042080},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p6393},
rating = {0}
}

@article{Copeland:2009p6815,
author = {William Copeland and Lilly Shanahan and E Jane Costello and Adrian Angold},
journal = {J Child Psychol Psychiatry},
title = {Configurations of common childhood psychosocial risk factors},
abstract = {BACKGROUND: Co-occurrence of psychosocial risk factors is commonplace, but little is known about psychiatrically-predictive configurations of psychosocial risk factors. METHODS: Latent class analysis (LCA) was applied to 17 putative psychosocial risk factors in a representative population sample of 920 children ages 9 to 17. The resultant class structure was retested in a representative population sample of 1420 children aged 9 to 13. In each sample, the child and one parent were interviewed with the Child and Adolescent Psychiatric Assessment. Concurrent psychiatric status was used to validate class membership. RESULTS: LCA identified five latent classes in both samples: two low risk classes; two moderate risk classes both involving family poverty configured with various other risk factors; and a high risk class characterized by family relational dysfunction and parental risk characteristics. Of the primary sample, 48.6% were categorized as low risk, 42.8% as moderate risk, and 8.6% as high risk. Moderate risk classes differed in their prediction of disruptive and emotional disorders depending on their specific risk factor configurations. High risk youth had the highest levels of both emotional and disruptive disorders. Combining our latent classes with a cumulative risk approach best accounted for the effects of risk factors on psychopathology in our primary sample. CONCLUSIONS: Particular risk configurations have specific associations with psychiatric disorders. Configurational approaches are an important asset for large-scale epidemiological studies that integrate information about patterns of risk and disorders.},
affiliation = {Developmental Epidemiology Program, Duke University Medical Center, Durham, NC 27710, USA. william.copeland@duke.edu},
number = {4},
pages = {451--9},
volume = {50},
year = {2009},
month = {Apr},
language = {eng},
keywords = {Child Behavior Disorders, Female, Parents, Risk Assessment, Mood Disorders, Humans, North Carolina, Adolescent, Socioeconomic Factors, Social Environment, Child, Attention Deficit and Disruptive Behavior Disorders, Stress: Psychological, Questionnaires, Risk Factors, Mental Disorders},
date-added = {2010-03-05 22:31:32 +0100},
date-modified = {2010-07-29 19:32:47 +0200},
doi = {10.1111/j.1469-7610.2008.02005.x},
pii = {JCPP2005},
pmid = {19220623},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p6815},
rating = {0}
}

@article{Steiger:1992,
author = {J H Steiger and R T Fouladi},
journal = {Behavior research methods},
title = {R2: A computer program for interval estimation, power calculation, and hypothesis testing for the squared multiple correlation},
pages = {581--582},
volume = {4},
year = {1992},
date-added = {2010-01-10 11:33:21 +0100},
date-modified = {2010-07-29 19:18:35 +0200},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p2180},
rating = {0}
}

@article{Schwarz:1990,
author = {N Schwarz and J Bienias},
journal = {Applied Cognitive Psychology},
title = {What mediates the impact of response alternatives on frequency reports of mundane behaviors},
abstract = {Previous research demonstrated that respondents assume that the range of precoded response alternatives reflects the researcher's knowledge of the distribution of opinions or behaviours in the population. This assumption may influence respondents' reports in two ways: respondents may either use the range of the response alternatives as a frame of reference in estimating their own behavioural frequencies, or they may be reluctant to report frequencies that appear extreme in the context of the scale. Three experiments using reports of mundane behaviours, namely watching TV and drinking beer, were conducted to differentiate between the frame of reference and the self-presentation hypothesis. The results of all studies favour the frame of reference hypothesis, and suggest that the impact of response alternatives is the more pronounced the less episodic information about the behaviour is accessible in memory. Specifically, proxy-reports were found to be more affected by the range of response alternatives than self-reports (Experiments 1 and 2), and respondents with dispositionally low access to self-related information were found to be more affected than respondents with dispositionally high access to self-related information (Experiment 3). Implications for questionnaire construction are discussed.},
pages = {61--72},
volume = {4},
year = {1990},
date-added = {2010-01-03 19:34:17 +0100},
date-modified = {2010-01-03 19:34:18 +0100},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p994},
rating = {0}
}

@article{Lin:1986p2912,
author = {C Y Lin and A J Lee},
journal = {Journal of Dairy Science},
title = {Sequential estimation of genetic and phenotypic parameters in multitrait mixed model analysis},
pages = {2696--2703},
volume = {69},
year = {1986},
date-added = {2010-01-13 21:33:26 +0100},
date-modified = {2010-01-13 21:34:44 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Lin-1986-Journal%20of%20Dairy%20Science_Sequential%20estimatio.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p2912},
rating = {0}
}

@article{Kelly:2009p531,
author = {Yvonne Kelly and Amanda Sacker and Ron Gray and John Kelly and Dieter Wolke and Maria A Quigley},
journal = {Int J Epidemiol},
title = {Light drinking in pregnancy, a risk for behavioural problems and cognitive deficits at 3 years of age?},
abstract = {BACKGROUND: The objective of this study was to determine whether there was an association between mothers' light drinking during pregnancy and risk of behavioural problems, and cognitive deficits in their children at age 3 years. METHODS: Data from the first two sweeps of the nationally representative prospective UK Millennium Cohort study were used. Drinking patterns during pregnancy and behavioural and cognitive outcomes were assessed during interviews and home visits. Behavioural problems were indicated by scores falling above defined clinically relevant cut-offs on the parent-report version of the Strengths and Difficulties Questionnaire (SDQ). Cognitive ability was assessed using the naming vocabulary subscale from the British Ability Scale (BAS) and the Bracken School Readiness Assessment (BSRA). RESULTS: There was a J-shaped relationship between mothers drinking during pregnancy and the likelihood of high scores (above the cut-off) on the total difficulties scale of the SDQ and the conduct problems, hyperactivity and emotional symptom SDQ subscales. Children born to light drinkers were less likely to score above the cut-offs compared with children of abstinent mothers. Children born to heavy drinkers were more likely to score above the cut-offs compared with children of abstinent mothers. Boys born to mothers who had up to 1-2 drinks per week or per occasion were less likely to have conduct problems (OR 0.59, 95% CI 0.45-0.77) and hyperactivity (OR 0.71, 95% CI 0.54-0.94). These effects remained in fully adjusted models. Girls were less likely to have emotional symptoms (OR 0.72, 95% CI 0.51-1.01) and peer problems (OR 0.68, 95% CI 0.52-0.92) compared with those born to abstainers. These effects were attenuated in fully adjusted models. Boys born to light drinkers had higher cognitive ability test scores [standard deviations, (95% CI)] BAS 0.15 (0.08-0.23) BSRA 0.24 (0.16-0.32) compared with boys born to abstainers. The difference for BAS was attenuated on adjustment for socio-economic factors, whilst the difference for BSRA remained statistically significant. CONCLUSIONS: Children born to mothers who drank up to 1-2 drinks per week or per occasion during pregnancy were not at increased risk of clinically relevant behavioural difficulties or cognitive deficits compared with children of abstinent mothers. Heavy drinking during pregnancy appears to be associated with behavioural problems and cognitive deficits in offspring at age 3 years whereas light drinking does not.},
affiliation = {Department of Epidemiology and Public Health, University College London, London, WC1E 6BT, UK. y.kelly@ucl.ac.uk},
number = {1},
pages = {129--40},
volume = {38},
year = {2009},
month = {Feb},
language = {eng},
keywords = {Adult, Humans, Adolescent, Epidemiologic Methods, Female, Child Behavior Disorders, Socioeconomic Factors, Developmental Disabilities, Prenatal Exposure Delayed Effects, Alcohol Drinking, Great Britain, Temperance, Child: Preschool, Pregnancy, Cognition Disorders, Sex Factors},
date-added = {2010-01-03 13:44:32 +0100},
date-modified = {2010-01-03 13:44:32 +0100},
doi = {10.1093/ije/dyn230},
pii = {dyn230},
pmid = {18974425},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Kelly-2009-Int%20J%20Epidemiol_Light%20drinking%20in%20pr.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p531},
read = {Yes},
rating = {0}
}

@article{Miles:2005p2726,
author = {J N V Miles},
journal = {Behavior research methods},
title = {Confirmatory factor analysis using Microsoft Excel},
abstract = {This article presents a method for using Microsoft (MS) Excel for confirmatory factor analysis (CFA). CFA is often seen as an impenetrable technique, and thus, when it is taught, there is frequently little explanation of the mechanisms or underlying calculations. The aim of this article is to demon- strate that this is not the case; it is relatively straightforward to produce a spreadsheet in MS Excel that can carry out simple CFA. It is possible, with few or no programming skills, to effectively program a CFA analysis and, thus, to gain insight into the workings of the procedure.},
number = {4},
pages = {672--676},
volume = {37},
year = {2005},
date-added = {2010-01-13 14:15:59 +0100},
date-modified = {2010-07-29 19:18:35 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Miles-2005-Behavior%20research%20methods_Confirmatory%20factor.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p2726},
rating = {0}
}

@article{Dobcsanyi:2010p3654,
author = {P Dobcsanyi and D A Preece and L H Soicher},
title = {On balanced incomplete-block designs with repeated blocks},
abstract = {Balanced incomplete-block designs (BIBDs) with repeated blocks are studied and constructed. We continue work initiated by van Lint and Ryser in 1972 and pursued by van Lint in 1973. We concentrate on constructing (v,b,r,k,λ)-BIBDs with repeated blocks, especially those with gcd(b,r,λ) = 1 and r ≤ 20. We obtain new bounds for the multiplicity of a block in terms of the parameters of a BIBD, and improvements to these bounds for a resolvable BIBD. This allows us to answer a question of van Lint about the sufficiency of certain conditions for the existence of a BIBD with repeated blocks.},
date-added = {2010-01-16 20:05:26 +0100},
date-modified = {2010-01-16 20:06:01 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Dobcsanyi--_On%20balanced%20incomple.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p3654},
rating = {0}
}

@article{Fehnel:2009p11805,
author = {Sheri Fehnel},
journal = {Value Health},
title = {Establishing Optimal Requirements for Content Validity: A Work in Progress},
affiliation = {RTI Health Solutions, Research Triangle Park, NC, USA.},
pages = {},
year = {2009},
month = {Oct},
language = {ENG},
date-added = {2010-05-23 10:42:12 +0200},
date-modified = {2010-05-23 10:42:13 +0200},
doi = {10.1111/j.1524-4733.2009.00654.x},
pii = {VHE654},
pmid = {19818060},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Fehnel-2009-Value%20Health_Establishing%20Optimal.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11805},
rating = {0}
}

@article{Jin:2010p11302,
author = {Man Jin and Yixin Fang},
journal = {Biometrics},
title = {Variable Selection in Canonical Discriminant Analysis for Family Studies},
abstract = {Summary. In family studies, canonical discriminant analysis can be used to find linear combinations of phenotypes that exhibit high ratios of between-family to within-family variabilities. But with large numbers of phenotypes, canonical discriminant analysis may overfit. To estimate the predicted ratios associated with the coefficients obtained from canonical discriminant analysis, two methods are developed; one is based on bias correction and the other based on cross-validation. Because the cross-validation is computationally intensive, an approximation to the cross-validation is also developed. Furthermore, these methods can be applied to perform variable selection in canonical discriminant analysis. The proposed methods are illustrated with simulation studies and applications to two real examples.},
affiliation = {Statistics and Evaluation Center, American Cancer Society, Atlanta, Georgia 30303, U.S.A.},
pages = {},
year = {2010},
month = {Mar},
language = {ENG},
date-added = {2010-04-26 22:38:19 +0200},
date-modified = {2010-04-26 22:38:21 +0200},
doi = {10.1111/j.1541-0420.2010.01414.x},
pii = {BIOM1414},
pmid = {20374240},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Jin-2010-Biometrics_Variable%20Selection%20i.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11302},
rating = {4}
}

@article{Blanchard:2007p5467,
author = {Chris M Blanchard and Janet Kupperman and Phil Sparling and Eric Nehl and Ryan E Rhodes and Kerry S Courneya and Frank Baker and Tiffany Hunt},
journal = {Res Q Exerc Sport},
title = {Ethnicity as a moderator of the theory of planned behavior and physical activity in college students},
abstract = {Most college students do not meet physical activity (PA) guidelines, and ethnic disparities exist. The present study examined the utility of the theory of planned behavior (TPB) in explaining PA intentions and behavior in black and white college students and whether any TPB relationships were moderated by ethnicity. Black (n=170) and white (n=180) students completed a baseline TPB questionnaire and PA assessment 2 weeks later Hierarchical latent variable regression analyses showed that affective attitude, subjective norm, and perceived behavioral control (PBC) were significant predictors of intention for both ethnic groups, whereas the PBC-intention relationship was significantly stronger for white students. Intention significantly predicted PA for both ethnic groups. Furthermore, common and ethnic-specific beliefs were identified.},
affiliation = {Department of Medicine, Dalhousie University, Halifax, Nova Scotia. chris.blanchard@dal.ca},
number = {5},
pages = {531--41},
volume = {78},
year = {2007},
month = {Dec},
language = {eng},
keywords = {Universities, African Americans, European Continental Ancestry Group, Adult, Models: Theoretical, Exercise, Adolescent, Health Behavior, Questionnaires, Intention, Humans, Southeastern United States, Students},
date-added = {2010-02-12 14:09:44 +0100},
date-modified = {2010-02-12 14:09:44 +0100},
pmid = {18274224},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p5467},
rating = {0}
}

@article{Pang:2008p12874,
author = {Herbert Pang and Hongyu Zhao},
journal = {BMC Bioinformatics},
title = {Building pathway clusters from Random Forests classification using class votes},
abstract = {BACKGROUND: Recent years have seen the development of various pathway-based methods for the analysis of microarray gene expression data. These approaches have the potential to bring biological insights into microarray studies. A variety of methods have been proposed to construct networks using gene expression data. Because individual pathways do not act in isolation, it is important to understand how different pathways coordinate to perform cellular functions. However, there are no published methods describing how to build pathway clusters that are closely related to traits of interest. RESULTS: We propose to build pathway clusters from pathway-based classification methods. The proposed methods allow researchers to identify clusters of pathways sharing similar functions. These pathways may or may not share genes. As an illustration, our approach is applied to three human breast cancer microarray data sets. We found that our methods yielded consistent and interpretable results for these three data sets. We further investigated one of the pathway clusters found using PubMatrix. We found that informative genes in the pathway clusters do have more publications with keywords, like estrogen receptor, compared with informative genes in other top pathways. In addition, using the shortest path analysis in GeneGo's MetaCore and Human Protein Reference Database, we were able to identify the links which connect the pathways without shared genes within the pathway cluster. CONCLUSION: Our proposed pathway clustering methods allow bioinformaticians and biologists to investigate how informative genes within pathways are related to each other and understand possible crosstalk between pathways in a cluster. Therefore, building pathway clusters may lead to a better understanding of molecular mechanisms affecting a trait of interest, and help generate further biological hypotheses from gene expression data.},
affiliation = {Division of Biostatistics, Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, CT 06520, USA. herbert.pang@yale.edu},
pages = {87},
volume = {9},
year = {2008},
month = {Jan},
language = {eng},
keywords = {Models: Biological, Signal Transduction, Algorithms, Computer Simulation, Proteome, Oligonucleotide Array Sequence Analysis, Models: Statistical, Multigene Family, Data Interpretation: Statistical, Gene Expression Profiling},
date-added = {2010-06-24 12:57:20 +0200},
date-modified = {2010-06-24 12:57:23 +0200},
doi = {10.1186/1471-2105-9-87},
pii = {1471-2105-9-87},
pmid = {18254968},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Pang-2008-BMC%20Bioinformatics_Building%20pathway%20clu.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p12874},
rating = {4}
}

@article{Pattij:2008p11820,
author = {Tommy Pattij and Louk J M J Vanderschuren},
journal = {Trends Pharmacol Sci},
title = {The neuropharmacology of impulsive behaviour},
abstract = {Impulsivity is a heterogenous phenomenon encompassing several behavioural phenomena that can be dissociated neuroanatomically as well as pharmacologically. Impulsivity is pathological in several psychiatric disorders including attention-deficit/hyperactivity disorder (ADHD), drug addiction and personality disorders. Pharmacological agents alleviating impulsivity therefore might substantially aid the treatment of these disorders. The availability of preclinical models that measure various forms of impulsivity has greatly increased our understanding of its neuropharmacological substrates. Historically, deficits in central serotonin neurotransmission are thought to underlie impulsivity. Accumulating evidence also points towards an important role of brain dopamine and noradrenaline systems in impulsive behaviour, consistent with the therapeutic efficacy of amphetamine, methylphenidate and atomoxetine in ADHD. However, recent findings also implicate glutamate and cannabinoid neurotransmission in impulsivity. In this review, we will discuss some of the recent developments in the neuropharmacological manipulation of impulsive behaviour.},
affiliation = {Department of Anatomy and Neurosciences, Center for Neurogenomics and Cognitive Research, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands. t.pattij@vumc.nl <t.pattij@vumc.nl>},
number = {4},
pages = {192--9},
volume = {29},
year = {2008},
month = {Apr},
language = {eng},
keywords = {Impulsive Behavior, Receptors: N-Methyl-D-Aspartate, Serotonin, Norepinephrine, Receptor: Cannabinoid: CB1, Humans, Neurotransmitter Agents, Dopamine},
date-added = {2010-05-23 10:46:19 +0200},
date-modified = {2010-05-23 10:46:22 +0200},
doi = {10.1016/j.tips.2008.01.002},
pii = {S0165-6147(08)00026-6},
pmid = {18304658},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Pattij-2008-Trends%20Pharmacol%20Sci_The%20neuropharmacolog.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11820},
rating = {4}
}

@article{Burton:1991,
author = {S Burton and E Blair},
journal = {Public Opinion Quarterly},
title = {Task conditions, response formulation processes, and response accuracy for behavioral frequency questions in surveys},
pages = {50--79},
volume = {55},
year = {1991},
date-added = {2010-01-03 19:34:18 +0100},
date-modified = {2010-07-29 19:47:49 +0200},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p987},
rating = {0}
}

@article{Fellay:2009p3049,
author = {Jacques Fellay and Dongliang Ge and Kevin V Shianna and Sara Colombo and Bruno Ledergerber and Elizabeth T Cirulli and Thomas J Urban and Kunlin Zhang and Curtis E Gumbs and Jason P Smith and Antonella Castagna and Alessandro Cozzi-Lepri and Andrea De Luca and Philippa Easterbrook and Huldrych F G{\"u}nthard and Simon Mallal and Cristina Mussini and Judith Dalmau and Javier Martinez-Picado and Jos{\'e} M Miro and Niels Obel and Steven M Wolinsky and Jeremy J Martinson and Roger Detels and Joseph B Margolick and Lisa P Jacobson and Patrick Descombes and Stylianos E Antonarakis and Jacques S Beckmann and Stephen J O'Brien and Norman L Letvin and Andrew J McMichael and Barton F Haynes and Mary Carrington and Sheng Feng and Amalio Telenti and David B Goldstein and NIAID Center for HIV/AIDS Vaccine Immunology (CHAVI)},
journal = {PLoS Genet},
title = {Common genetic variation and the control of HIV-1 in humans},
abstract = {To extend the understanding of host genetic determinants of HIV-1 control, we performed a genome-wide association study in a cohort of 2,554 infected Caucasian subjects. The study was powered to detect common genetic variants explaining down to 1.3% of the variability in viral load at set point. We provide overwhelming confirmation of three associations previously reported in a genome-wide study and show further independent effects of both common and rare variants in the Major Histocompatibility Complex region (MHC). We also examined the polymorphisms reported in previous candidate gene studies and fail to support a role for any variant outside of the MHC or the chemokine receptor cluster on chromosome 3. In addition, we evaluated functional variants, copy-number polymorphisms, epistatic interactions, and biological pathways. This study thus represents a comprehensive assessment of common human genetic variation in HIV-1 control in Caucasians.},
affiliation = {Center for Human Genome Variation, Duke Institute for Genome Sciences and Policy, Duke University, Durham, North Carolina, USA.},
number = {12},
pages = {e1000791},
volume = {5},
year = {2009},
month = {Dec},
language = {eng},
date-added = {2010-01-14 11:24:26 +0100},
date-modified = {2010-01-14 11:24:26 +0100},
doi = {10.1371/journal.pgen.1000791},
pmid = {20041166},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p3049},
rating = {0}
}

@article{Goldberg:1978p13829,
author = {L R Goldberg},
journal = {Applied Psychological Measurement},
title = {The reliability of reliability: The generality and correlates of intra-individual consistency in responses to structured personality inventories},
number = {2},
pages = {269--291},
volume = {2},
year = {1978},
date-added = {2010-07-29 17:09:20 +0200},
date-modified = {2010-07-29 17:10:40 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Goldberg-1978-Applied%20Psychological%20Measurement_The%20reliability%20of%20r.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13829},
rating = {0}
}

@article{Mislevy:2001p4253,
author = {R J Mislevy and L S Steinberg and R G Almond},
title = {Leverage points for improving educational assessment},
year = {2001},
date-added = {2010-01-23 20:58:43 +0100},
date-modified = {2010-01-23 20:59:31 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Mislevy-2001-_Leverage%20points%20for.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p4253},
rating = {0}
}

@article{Zhong:2010p3703,
author = {Hua Zhong and Ross L Prentice},
journal = {Genet Epidemiol},
title = {Correcting "winner's curse" in odds ratios from genomewide association findings for major complex human diseases},
abstract = {Genome-wide association studies (GWAS) provide an important approach for identifying common genetic variants that predispose to human disease. However, odds ratio (OR) estimates for the reported findings from GWAS discovery data are typically affected by a bias away from the null sometimes referred to the "winner's curse". Also standard confidence intervals (CIs) may have far from the desired coverage rates. We applied a bias reduction method to GWAS findings from several major complex human diseases, including breast cancer, colorectal cancer, lung cancer, prostate cancer, type I diabetes, and type II diabetes. We found the simple bias correction procedure allows one to estimate bias-adjusted ORs that have substantial consistency with ORs from subsequent replication studies, and that corresponding selection-adjusted CIs appear to help quantify the uncertainty of the findings. Selection-adjusted ORs and CIs can provide a reliable summary of GWAS data, and can help to choose single nucleotide polymorphisms for subsequent validation studies.},
affiliation = {Department of Genetics, Rosetta Inpharmatics, LLC, 401 Terry Ave North, Seattle, WA 98109, USA. zhh@u.washington.edu},
number = {1},
pages = {78--91},
volume = {34},
year = {2010},
month = {Jan},
language = {eng},
date-added = {2010-01-16 20:56:24 +0100},
date-modified = {2010-01-16 20:56:24 +0100},
doi = {10.1002/gepi.20437},
pmid = {19639606},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p3703},
rating = {0}
}

@article{Mechelen:2000p1531,
author = {Iven Van Mechelen and Paul De Boeck and Jeroen Poblome},
title = {Bridges Between Deterministic and Probabilistic Models for Binary Data},
abstract = {For the analysis of binary data, various deterministic models have been proposed, whichare generally simpler to fit and easier to understand than probabilistic models. We claimthat corresponding to any deterministic model is an implicit stochastic model in which thedeterministic model fits imperfectly, with errors occurring at random. In the context of binarydata, we consider two error models: in the first model, all predictions are equally likely to be inerror; in the second model, the probability of error depends on the model prediction. We showhow to fit these models using a stochastic modification of deterministic optimization schemes.The advantages of fitting the stochastic models explicitly (rather than implicitly, by simplyfitting a deterministic model and accepting the occurrence of errors) include quantification ofuncertainty in the deterministic model's parameter estimates, better estimation of the truemodel error rate, and the ability to check the fit of ...},
affiliation = {Psychology Department},
year = {2000},
month = {May},
language = {eng},
date-added = {2010-01-07 16:08:17 +0100},
date-modified = {2010-07-29 20:46:12 +0200},
pmid = {429042},
URL = {http://citeseer.ist.psu.edu/429042},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Mechelen-2000-_Bridges%20Between%20Dete.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p1531},
rating = {0}
}

@article{Heathcote:2010p10896,
author = {A Heathcote and S Brown and D J K Mewhort},
title = {Quantile Maximum Likelihood Estimation of Response Time Distributions},
abstract = {We introduce and evaluate via a Monte Carlo study a robust new estimation technique that fits distribution functions to grouped response time (RT) data, where the grouping is determined by sample quantiles. The new estimator, Quantile Maximum Likelihood (QML), is more efficient and less biased than the best alternative estimation technique when fitting the commonly used ex-Gaussian distribution. Limitations of the Monte Carlo results are discussed and guidance provided for the practical application of the new technique. Because QML estimation can be computationally costly, we make fast open source code for fitting available that can be easily modified to use QML in the estimation of any distribution function.},
date-added = {2010-04-11 13:43:25 +0200},
date-modified = {2010-04-11 13:44:21 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Heathcote--_Quantile%20Maximum%20Lik.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p10896},
rating = {0}
}

@article{Golestani:2007p4631,
author = {Narly Golestani and Nicolas Molko and Stanislas Dehaene and Denis LeBihan and Christophe Pallier},
journal = {Cereb Cortex},
title = {Brain structure predicts the learning of foreign speech sounds},
abstract = {Previous work has shown a relationship between parietal lobe anatomy and nonnative speech sound learning. We scanned a new group of phonetic learners using structural magnetic resonance imaging and diffusion tensor imaging. Voxel-based morphometry indicated higher white matter (WM) density in left Heschl's gyrus (HG) in faster compared with slower learners, and manual segmentation of this structure confirmed that the WM volume of left HG is larger in the former compared with the latter group. This finding was replicated in a reanalysis of the original groups tested in Golestani and others (2002, Anatomical correlates of learning novel speech sounds. Neuron 35:997-1010). We also found that faster learners have a greater asymmetry (left > right) in parietal lobe volumes than slower learners and that the right insula and HG are more superiorly located in slower compared with faster learners. These results suggest that left auditory cortex WM anatomy, which likely reflects auditory processing efficiency, partly predicts individual differences in an aspect of language learning that relies on rapid temporal processing. It also appears that a global displacement of components of a right hemispheric language network, possibly reflecting individual differences in the functional anatomy and lateralization of language processing, is predictive of speech sound learning.},
affiliation = {Unit{\'e} INSERM 562, Service Hospitalier Fr{\'e}d{\'e}ric Joliot, CEA/DRM/DSV 4 Place du general Leclerc, 91401 Orsay cedex, France. n.golestani@ucl.ac.uk},
number = {3},
pages = {575--82},
volume = {17},
year = {2007},
month = {Mar},
language = {eng},
keywords = {Learning, Phonetics, Parietal Lobe, Predictive Value of Tests, Dominance: Cerebral, Brain Mapping, Adolescent, Child, Speech Perception, Humans, Auditory Cortex, Diffusion Magnetic Resonance Imaging},
date-added = {2010-01-30 15:36:39 +0100},
date-modified = {2010-07-29 19:22:58 +0200},
doi = {10.1093/cercor/bhk001},
pii = {bhk001},
pmid = {16603709},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Golestani-2007-Cereb%20Cortex_Brain%20structure%20pred.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p4631},
rating = {0}
}

@article{Purcell:2003p7210,
author = {S Purcell and P C Sham},
journal = {Behav Genet},
title = {A model-fitting implementation of the DeFries-Fulker model for selected twin data},
abstract = {In this research note, DeFries-Fulker (DF) regression analysis is reframed in model-fitting terms, where an individual's expected score is modeled as a function of their co-twin's proband status. This more flexible implementation of the DF model allows DZ-O twins to be incorporated in a sex-limitation model. Brief simulation results are presented along with the Mx scripts used.},
affiliation = {Social, Genetic {\&} Developmental Research Centre, Institute of Psychiatry, London SE5 8AF, UK. s.purcell@iop.kcl.ac.uk},
number = {3},
pages = {271--8},
volume = {33},
year = {2003},
month = {May},
language = {eng},
keywords = {Twins: Monozygotic, Humans, Twins, Sex Characteristics, Female, Computer Simulation, Male, Twins: Dizygotic, Models: Statistical},
date-added = {2010-03-08 19:23:29 +0100},
date-modified = {2010-07-29 20:09:06 +0200},
pmid = {12837017},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Purcell-2003-Behav%20Genet_A%20model-fitting%20impl.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p7210},
rating = {0}
}

@article{Dapueto:2003p11152,
author = {Juan J Dapueto and Carla Francolino and Liliana Servente and Chih-Hung Chang and Irene Gotta and Roberto Levin and Mar{\'\i}a Del Carmen Abreu},
journal = {Health Qual Life Outcomes},
title = {Evaluation of the Functional Assessment of Cancer Therapy-General (FACT-G) Spanish Version 4 in South America: classic psychometric and item response theory analyses},
abstract = {BACKGROUND: The FACT-G has gone through many validation studies. However, little research has been conducted in South American Spanish speaking patients. The present study aimed to evaluate the FACT-G Spanish Version 4 in Uruguayan cancer patients. METHODS: The data analyzed were collected from 309 patients, with various tumor sites, at different stages of disease and receiving different treatments. RESULTS: Reliability was evaluated using Cronbach's coefficient alpha and showed high internal consistency for each of the subscales and its total scale (range =.78 -.91) of the FACT-G. The FACT-G total score also showed significant mean differences among known groups (performance status, in vs. outpatients) when tested by ANOVA and t-test. When the tumor stage (Local and Regional vs. Metastatic disease) was used as a clinical anchor, the FACT-G total score, the Physical Well-being (PWB), and Functional Well-being (FWB) subscale scores showed mean differences, ranging from 5 to 10 points in a scale from 0-108 (effect sizes = 0.30-0.60). Item response theory (IRT)-based evaluation using mean square fit statistics (.60-1.4) criteria showed that only two items misfit: "Estoy satisfecho(a) con mi vida sexual" (I am satisfied with my sex life) and "Estoy satisfecho(a) de c{\'o}mo estoy enfrentando mi enfermedad" (I am satisfied with how I am coping with my illness). CONCLUSION: The results indicated that, using both traditional and IRT approaches, the Spanish FACT-G has good reliability and validity to be used as a QOL instrument among Uruguayan cancer patients.},
affiliation = {Departamento de Psicolog{\'\i}a M{\'e}dica, Facultad de Medicina - Universidad de Rep{\'u}blica, Uruguay. jdapueto@hc.edu.uy},
pages = {32},
volume = {1},
year = {2003},
month = {Jan},
language = {eng},
keywords = {Socioeconomic Factors, Linguistics, Data Interpretation: Statistical, Middle Aged, Adult, Male, Questionnaires, South Africa, Reproducibility of Results, Quality of Life, Female, Language, Psychometrics, Self Assessment (Psychology), Aged, Sickness Impact Profile, Translations, Neoplasms, Humans, Psychological Theory},
date-added = {2010-04-25 19:19:49 +0200},
date-modified = {2010-04-25 19:19:49 +0200},
doi = {10.1186/1477-7525-1-32},
pii = {1477-7525-1-32},
pmid = {12969512},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Dapueto-2003-Health%20and%20Quality%20of%20Life%20Outcomes_Evaluation%20of%20the%20Fu.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11152},
rating = {0}
}

@article{Shigemasu:2000,
author = {K Shigemasu and O Yoshimura and T Nakamura},
journal = {Behaviormetrika},
title = {Bayesian hierarchical analysis of polytomous item responses},
number = {1},
pages = {51--65},
volume = {27},
year = {2000},
date-added = {2010-01-10 11:33:19 +0100},
date-modified = {2010-01-10 11:33:25 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Shigemasu-2000-Behaviormetrika_Bayesian%20hierarchica.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p2084},
rating = {0}
}

@article{Li:2009p14176,
author = {Heng Li and Bob Handsaker and Alec Wysoker and Tim Fennell and Jue Ruan and Nils Homer and Gabor Marth and Goncalo Abecasis and Richard Durbin and 1000 Genome Project Data Processing Subgroup},
journal = {Bioinformatics},
title = {The Sequence Alignment/Map format and SAMtools},
abstract = {SUMMARY: The Sequence Alignment/Map (SAM) format is a generic alignment format for storing read alignments against reference sequences, supporting short and long reads (up to 128 Mbp) produced by different sequencing platforms. It is flexible in style, compact in size, efficient in random access and is the format in which alignments from the 1000 Genomes Project are released. SAMtools implements various utilities for post-processing alignments in the SAM format, such as indexing, variant caller and alignment viewer, and thus provides universal tools for processing read alignments. AVAILABILITY: http://samtools.sourceforge.net.},
affiliation = {Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Cambridge, CB10 1SA, UK, Broad Institute of MIT and Harvard, Cambridge, MA 02141, USA.},
number = {16},
pages = {2078--9},
volume = {25},
year = {2009},
month = {Aug},
language = {eng},
keywords = {Algorithms, Genomics, Molecular Sequence Data, Sequence Analysis: DNA, Sequence Alignment, Base Sequence, Computational Biology, Genome, Software},
date-added = {2010-08-18 17:08:14 +0200},
date-modified = {2010-08-18 17:08:14 +0200},
doi = {10.1093/bioinformatics/btp352},
pii = {btp352},
pmid = {19505943},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Li-2009-Bioinformatics_The%20Sequence%20Alignme.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p14176},
rating = {0}
}

@article{Butcher:2008p5762,
author = {L M Butcher and O S P Davis and I W Craig and R Plomin},
journal = {Genes Brain Behav},
title = {Genome-wide quantitative trait locus association scan of general cognitive ability using pooled DNA and 500K single nucleotide polymorphism microarrays},
abstract = {General cognitive ability (g), which refers to what cognitive abilities have in common, is an important target for molecular genetic research because multivariate quantitative genetic analyses have shown that the same set of genes affects diverse cognitive abilities as well as learning disabilities. In this first autosomal genome-wide association scan of g, we used a two-stage quantitative trait locus (QTL) design with pooled DNA to screen more than 500,000 single nucleotide polymorphisms (SNPs) on microarrays, selecting from a sample of 7000 7-year-old children. In stage 1, we screened for allele frequency differences between groups pooled for low and high g. In stage 2, 47 SNPs nominated in stage 1 were tested by individually genotyping an independent sample of 3195 individuals, representative of the entire distribution of g scores in the full 7000 7-year-old children. Six SNPs yielded significant associations across the normal distribution of g, although only one SNP remained significant after a false discovery rate of 0.05 was imposed. However, none of these SNPs accounted for more than 0.4% of the variance of g, despite 95% power to detect associations of that size. It is likely that QTL effect sizes, even for highly heritable traits such as cognitive abilities and disabilities, are much smaller than previously assumed. Nonetheless, an aggregated 'SNP set' of the six SNPs correlated 0.11 (P < 0.00000003) with g. This shows that future SNP sets that will incorporate many more SNPs could be useful for predicting genetic risk and for investigating functional systems of effects from genes to brain to behavior.},
affiliation = {Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King's College London, London, UK.},
number = {4},
pages = {435--46},
volume = {7},
year = {2008},
month = {Jun},
language = {eng},
keywords = {Cognition, Genome: Human, Genotype, Gene Frequency, Longitudinal Studies, Female, Intelligence, Genetic Predisposition to Disease, Humans, Polymorphism: Single Nucleotide, Multifactorial Inheritance, Quantitative Trait: Heritable, Genetic Variation, Child, Male, Inheritance Patterns, Adolescent, Oligonucleotide Array Sequence Analysis, Quantitative Trait Loci, DNA, Gene Expression Regulation: Developmental},
date-added = {2010-02-15 20:29:36 +0100},
date-modified = {2010-02-15 20:29:36 +0100},
doi = {10.1111/j.1601-183X.2007.00368.x},
pii = {GBB368},
pmid = {18067574},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p5762},
rating = {0}
}

@article{MacCallum:1992p11742,
author = {R C MacCallum and M Roznowski and L B Necowitz},
journal = {Psychological Bulletin},
title = {Model modifications in covariance structure analysis: the problem of capitalization on chance},
abstract = {In applications of covariance structure modeling in which an initial model does not fit sample data well, it has become common practice to modify that model to improve its fit. Because this process is data driven, it is inherently susceptible to capitalization on chance characteristics of the data, thus raising the question of whether model modifications generalize to other samples or to the population. This issue is discussed in detail and is explored empirically through sampling studies using 2 large sets of data. Results demonstrate that over repeated samples, model modifications may be very inconsistent and cross-validation results may behave erratically. These findings lead to skepticism about generalizability of models resulting from data-driven modifications of an initial model. The use of alternative a priori models is recommended as a preferred strategy.},
affiliation = {Ohio State Univeristy, USA.},
number = {3},
pages = {490--504},
volume = {111},
year = {1992},
month = {May},
language = {eng},
keywords = {Intelligence Tests, Models: Psychological, Algorithms, Factor Analysis: Statistical, Software, Empirical Research, Job Satisfaction, Humans, Models: Statistical, Sampling Studies, Reproducibility of Results, Sample Size, Data Interpretation: Statistical, Questionnaires, Adolescent},
date-added = {2010-05-14 21:37:21 +0200},
date-modified = {2010-05-14 21:37:21 +0200},
pmid = {16250105},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11742},
rating = {4}
}

@article{Revuelta:2010p12917,
author = {J Revuelta},
journal = {Psychometrika},
title = {Estimating difficulty from polytomous categorical data},
abstract = {A comprehensive analysis of difficulty for multiple-choice items requires information at different levels: the test, the items, and the alternatives. This paper introduces a new parameterization of the nominal categories model (NCM) for analyzing difficulty at these three levels. The new parameterization is referred to as the NE--NCM and is statistically equivalent to the NCM. The NE--NCM is applied to a sample of responses from a logical analysis test. The results suggest that the individuals execute a self-terminated response process that is mostly determined by working memory load.},
number = {2},
pages = {331--350},
volume = {75},
year = {2010},
date-added = {2010-06-24 17:59:52 +0200},
date-modified = {2010-06-24 18:00:56 +0200},
doi = {10.1007/S11336-009-9145-9},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Revuelta-2010-Psychometrika_Estimating%20difficult.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p12917},
rating = {5}
}

@article{Buckles:2008p11305,
author = {K Buckles and D M Hungerman},
journal = {NBER Working Paper},
title = {Season of birth and later outcomes: Old questions, new answers},
abstract = {Research has found that season of birth is associated with later health and professional outcomes; what drives this association remains unclear. In this paper we consider a new explanation: that children born at different times in the year are conceived by women with different socioeconomic characteristics. We document large seasonal changes in the characteristics of women giving birth throughout the year in the United States. Children born in the winter are disproportionally born to women who are more likely to be teenagers and less likely to be married or have a high school degree. We show that controls for family background characteristics can explain up to half of the relationship between season of birth and adult outcomes. We then discuss the implications of this result for using season of birth as an instrumental variable; our findings suggest that, though popular, season-of-birth instruments may produce inconsistent estimates. Finally, we find that some of the seasonality in maternal characteristics is due to summer weather differentially affecting fertility patterns across socioeconomic groups.},
number = {14573},
year = {2008},
date-added = {2010-04-26 22:40:49 +0200},
date-modified = {2010-04-26 22:59:20 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Buckles-2008-NBER%20Working%20Paper_Season%20of%20birth%20and.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11305},
rating = {0}
}

@article{Thacker:2004p3591,
author = {C Thacker and C Harrison and M Brion and C Phillips and P Sanchez-Diz and D Ballard and A Carracedo and D Syndercombe Court},
journal = {International Congress Series},
title = {Population studies using single nucleotide polymorphisms---how important is detailed sample origin information?},
abstract = {Within the UK there is an increase in the request for information about an individual's ancestory. UK population databases are not uncommon but the detailed origin of samples has not traditionally been collected. Typically samples are classified using very general identifiers such as `black British'. We have conducted a study to establish whether this lack of detailed information proves to be a major problem when considering population studies relying on SNP data. A panel of Y-chromosome and autosomal SNPs have been used to genotype individuals from a `black British' population and from six Mozambique population groups. The resulting population data sets were contrasted and differences between a well-defined and a broadly characterized population set were used to illustrate the importance of good sample information. A comparison of the different SNP typing methodologies used throughout this study was conducted and all methods were found to work well.},
pages = {30--32},
volume = {1261},
year = {2004},
date-added = {2010-01-15 21:18:45 +0100},
date-modified = {2010-01-15 21:20:45 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Thacker-2004-International%20Congress%20Series_Population%20studies%20u.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p3591},
rating = {0}
}

@article{Pennebaker:2003p13937,
author = {J W Pennebaker and L D Stone},
journal = {J Pers Soc Psychol},
title = {Words of Wisdom: Language Use Over the Life Span},
abstract = {Two projects explored the links between language use and aging. In the first project, written or spoken text samples from disclosure studies from over 3,000 research participants from 45 different studies representing 21 laboratories in 3 countries were analyzed to determine how people change in their use of 14 text dimensions as a function of age. A separate project analyzed the collected works of 10 well-known novelists, playwrights, and poets who lived over the last 500 years. Both projects found that with increasing age, individuals use more positive and fewer negative affect words, use fewer self- references, use more future-tense and fewer past-tense verbs, and demonstrate a general pattern of increasing cognitive complexity. Implications for using language as a marker of personality among current and historical texts are discussed.},
number = {2},
pages = {291--301},
volume = {85},
year = {2003},
date-added = {2010-07-29 19:00:44 +0200},
date-modified = {2010-07-29 19:35:33 +0200},
doi = {10.1037/0022-3514.85.2.291},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Pennebaker-2003-J%20Pers%20Soc%20Psychol_Words%20of%20Wisdom%20Lan.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p13937},
rating = {0}
}

@article{Salter:2009p5173,
author = {N P Salter},
title = {A MULTITRAIT-MULTIMETHOD APPROACH TO ISOLATING SITUATIONAL JUDGMENT FROM SITUATIONAL JUDGMENT TESTS},
year = {2009},
date-added = {2010-02-07 12:39:26 +0100},
date-modified = {2010-02-07 12:39:50 +0100},
local-url = {file://localhost/Users/chl/Dropbox/Papers/Salter-2009-_A%20MULTITRAIT-MULTIME.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p5173},
rating = {0}
}

@article{MacCallum:1997p11414,
author = {R C MacCallum and C Kim and W B Malarkey and J K Kiecolt-Glaser},
journal = {Multivariate Behavioral Research},
title = {Studying multivariate change using multilevel models and latent curve models},
number = {3},
pages = {215--253},
volume = {32},
year = {1997},
date-added = {2010-05-01 16:37:33 +0200},
date-modified = {2010-05-01 16:39:06 +0200},
local-url = {file://localhost/Users/chl/Dropbox/Papers/MacCallum-1997-Multivariate%20Behavioral%20Research_Studying%20multivariat.pdf},
uri = {papers://58407365-8DEB-4C7D-995B-6322E39C7022/Paper/p11414},
rating = {0}
}

@article{Zhao:2002p10913,
author = {Jing Hua Zhao and Pak Chnng Sham},
journal = {Hum Hered},
title = {Faster haplotype frequency estimation using unrelated subjects},
abstract = {Linkage disequilibrium (LD) between tightly linked loci provides fine mapping information of disease-predisposing allelic variants. The most common method of LD analysis involves unrelated cases and controls. We have previously proposed model-free and permutation tests for diseases with unknown mode of inheritance that can be applied to several highly polymorphic loci. However, performing such analyses remained computer intensive. In this report we propose a speed-up of both the gene-counting procedure and the permutation procedure. We demonstrate the improved method with an analysis of schizophrenia and human leucocyte antigen markers, and an analysis of alcoholism and mitochondrial aldehyde dehydrogenase markers. Our implementation also allows the rapid calculation of permutation-based LD measures and related statistics.},
affiliation = {Department of Psychological Medicine, Developmental Psychiatry Research Centre, Institute of Psychiatry, Denmark Hill, London, UK. j.zhao@iop.kcl.ac.uk},
number = {1},
pages = {36--41},
volume = {53},
year = {2002},
month = {Jan},
language = {eng},
keywords = {Humans, Haplotypes, HLA Antigens, Gene Frequency, Linkage Disequilibrium, Genetic Markers,

license: MIT

license_type: permissive

branch_name: refs/heads/master

extension: bib