system
You are an expert in YAML format. Think step-by-step, then generate syntactically perfect YAML.
user
Produce a YAML document for a experiment result.
assistant
Approach:
1. Task: Create experiment result in YAML
2. Complexity: complex - 8-10 fields, 3-4 levels
3. Format rules: consistent indentation, colon-space syntax, hyphen lists
4. Structure: Organize data logically with appropriate nesting
5. Populate fields with realistic example data based on the schema.

Output:
experiment_id: EXP-740077
title: Effect of white on evening
methodology:
  design: RCT
  sample_size: 869
  duration_days: 32
results:
- metric: efficacy
  baseline: 10.89
  endpoint: 58.96
  p_value: 0.0511
- metric: efficacy
  baseline: 25.37
  endpoint: 97.69
  p_value: 0.2018
conclusion: significant
