This study examined associations between maltreatment and early developmental vulnerabilities in a population sample of 68,459 children (M[subscript age] = 5.62 years, SD = 0.37) drawn from the Australian state of New South Wales, using linked administrative data for the children and their parents (collected 2001-2009). Associations were estimated…

Studied the onset of puberty in girls aged nine to eleven as represented by breast, pubic hair growth, and height. Breast growth, but not pubic hair growth was associated with a positive body image, positive peer relationships, and superior adjustment. Height was linked to superior adjustment and rating of career as important. (RJC)

Considers the nature and developmental functions of physical activity play. Distinguishes three kinds of physical activity play with consecutive age peaks: rhythmic stereotypies, exercise play, and rough-and-tumble play. Considers gender differences and function in terms of immediate and deferred consequences in physical, cognitive, and social…