title: Поддержка открытого доступа к библиотековедческим интернет-ресурсам в Украине: декларации и реальность
abstract: This study examined associations between peers' expressive language abilities and children's development of receptive and expressive language among 1,812 four-year olds enrolled in 453 classrooms in 11 states that provide large-scale public pre-kindergarten (pre-k) programs. Higher peer expressive language abilities were positively associated with children's development of receptive and expressive language during pre-k. The positive association between peers' expressive language abilities and ch
journal: Child Development