Back to Resource Library Turkish and American preschoolers' play aggression and victimization behaviours in play context Ostrov, J.M., Crick, N.R. · 2006 ★ NIFPlay Rating: 4 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 Cross-cultural comparison of physical and relational aggression and victimisation within play contexts in Turkish and American preschool children. View Resource