Board games in Japanese classrooms: Data and analysis code

Data and analysis code for: Hitsuwari, J., & Uebo, N. Board games in Japanese classrooms: A waitlist-controlled study of social-emotional skills (manuscript in preparation). This deposit contains: (1) dat_anonymized.csv - anonymized item-level questionnaire data (319 observations from 109 fifth-grade students at two public elementary schools in Osaka Prefecture, Japan; three survey waves; responses are not linkable across waves); (2) analysis_public.R - R script reproducing all analyses and figures reported in the paper; (3) README.md - data dictionary and reproduction instructions.