Given the centrality of prosociality in everyday social functioning, understanding the factors and mechanisms underlying the origins of prosocial development is of critical importance. This experiment investigated whether experience with reciprocal object exchanges can drive the developmental onset of sharing behavior. Seven-month-old infants took…

A 36-item observation instrument was developed for measuring appropriate social development in infants and toddlers. Checklist items indicated such behaviors as asking, protecting, comforting, lending, sharing, hugging, playing with, joining, laughing, smiling, looking at, performing request, leading, following, and conversing. Use of the…

This module is part of a training program for foster parents and foster care workers offered at Colorado State University. The module's learning objectives address: (1) factors that interact to affect child development; (2) developmental milestones for infants and young children; (3) parenting processes appropriate to the childhood years; (4)…