Play during childhood is essential to growth and learning. Little is known about whether categories of toys moderate play behaviors at different ages, or how children interact with toys that are simple, appropriate, or complex for their developmental level. Two hundred and forty-three children between the ages of 1 and 8 years, divided into four…

Through the provision of different types of social support, significant nonparental youth--adult relationships can facilitate youth's positive development across adolescence. However, despite the potential benefits of these relationships, there has been little consideration of how the relational process may vary across different adolescent stages.…

This article synthesizes knowledge on the role of relationships and key macro- and micro-contexts -- poverty, racism, families, communities, schools, and peers - in supporting and/or undermining the healthy development of children and youth, using a relational developmental systems framework. Relationships with parents, siblings, peers,…

Retrospective parental reports are common in the developmental science literature, but their validity has been questioned. We investigated the consistency of retrospective maternal recall by comparing original with retrospective maternal reports in three domains (maternal cognitions, mother-reported child and mother behaviors, and observed child…