To date, virtually no studies have examined toddlers' non-response in developmental tasks. This study investigates data from 3667 toddlers to address (1) whether two aspects of non-response (completion and engagement) are separable, (2) how stable these aspects are from ages two to three, (3) how non-response relates to background characteristics,…

This study investigated the Infant Behavior Record (IBR) as an observer-rated measure of temperament. The aim was to determine whether the IBR and a parent-rated measure of temperament were comparably associated with children's performance on laboratory tasks and with a measure of the home environment. We found several significant associations…

Social and play skills are important developmental tasks for young children. Typically developing children learn appropriate social skills quite naturally and without specific intervention while interacting with other children in playful environments. Young children with disabilities, however, usually need social skills interventions, and these…

In theory of mind research, there is a long standing dispute about whether children come to understand the subjectivity of both desires and beliefs at the same time (around age 4), or whether there is an asymmetry such that desires are understood earlier. To address this issue, 3-year olds' understanding of situations in which two persons have…

Noting that children's play activities, particularly the development of dramatic scenarios, have been a central focus of developmental-interaction thinking over many decades, this paper explores the emphasis on play and the specific meanings accorded to it within this developmental-interaction tradition. The first part of the paper considers the…

The product of a close collaboration between mental health and child development professionals, this book provides essential information about the many types of behaviors--both normal and atypical--that children can show, with a sensitivity to the complex issues that child behavior problems can sometimes create for mothers and fathers. Following…