Trajectories of cognitive and neural development suggest that, despite early emergence, the ability to extract environmental patterns changes across childhood. Here, 5- to 9-year-olds and adults (N = 211, 110 females, in a large Canadian city) completed a memory test assessing what they remembered after watching a stream of shape triplets: the…

This study aimed to relate school diversity approaches to continuity and change in teacher-student relationships, comparing Belgian-majority (N = 1,875, M[subscript age] = 14.56) and Turkish and Moroccan-minority adolescents (N = 1,445, M[subscript age] = 15.07). Latent-Growth-Mixture-Models of student-reported teacher support and rejection over…

Investigates the amount of time that children in same-age v mixed-age groups spend in various forms of social participation, and analyzes the age relationships of children in mixed-age groups. Subjects were three classes of three-year-olds, three classes of four-year-olds, and three mixed-age classes. (Author/CM)

Cluster analytic methods were used to create 4 theorized ethnic identity statuses (achieved, foreclosed, moratorium, and diffused) among 940 African American adolescents (13-17 years old), college students (18-23 years old), and adults (27-78 years old). Evidence for the existence of 4 identity statuses was found across the 3 age groups. The…

This longitudinal study tested the contribution of age and marital status at first birth to depressive symptomatology in early adulthood. Findings indicated that unmarried teenage childbearers displayed higher levels of depressive symptoms than women who first gave birth as married adults. The psychological health of married teenage mothers in…