Back to Resource Library Rough-and-tumble play in human children Smith, P.K. · 2010 ★ NIFPlay Rating: 7 Rating Scale 10 Rigorous play-specific science 6–9 General biological science 5 Sound play research (uncontrolled) 1–4 Less rigorous / indirect 0 Indirect but high value Smith's review of the research on rough-and-tumble play in children — its prevalence, sex differences, developmental course, and relationship to social competence and aggression. View Resource
