Studied effects on nutritional supplementation, with or without psychosocial stimulation, on the development and growth of 129 stunted children compared with 32 nonstunted children. Found that after six months, initially low activity levels of stunted children matched those of nonstunted children, regardless of treatment. Supplementation improved…

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…