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…