Social skills are dynamic developmental constructs typically measured using assessments developed via cross-sectional methods. The measurement model of derivatives (MMOD), a factor analytic approach targeting individual growth trajectories, was used to evaluate the longitudinal factor structure of the Social Skills Improvement System--Rating…

Quartets of Chinese (n = 125) and Canadian (n = 133) 7-year-old children were observed as they played with a single attractive toy. Chinese children exhibited more assertive and general rule bids, engaged in more spontaneous giving, and reacted more positively to assertions of others whereas Canadian children more frequently referred to norms of…