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,…

The recent expansion of research on children's understanding of others' minds (or 'theory of mind', ToM) into middle childhood provides fresh opportunities to consider its origins and consequences. In this paper, we propose that, in addition to supporting children's social interactions, individual differences in ToM benefit academic achievement,…

Using data from the Early Childhood Longitudinal Study Kindergarten Class of 2010-2011 (n = 11,000), this study examined the developmental outcomes of 5-year-old children in multigrade classrooms (combined prekindergarten and kindergarten classrooms serving 3-, 4-, and 5-year-olds) compared with those of 5-year-olds attending kindergarten-only…

The aims of the present study were to investigate the role for problematic children of the child's social competence, teacher relations and behaviour with peers for later problem persistence, school performance and peer acceptance, in terms of moderating (protective and exacerbating) and independent effects. Groups of children with externalizing…