Using data from the first 2 phases of the NICHD Study of Early Child Care, the authors examine the links between maternal employment in the first 12 months of life and cognitive, social, and emotional outcomes for children at age 3, at age 4.5, and in first grade. Drawing on theory and prior research from developmental psychology as well as…

This report presents results from an experimental comparison of four kinds of Head Start programs (Montessori, Traditional, Bereiter-Engelmann, and Darcee) and a 3-year follow-up through second grade. The four programs are described, and the immediate and stable effects of each program on children's cognitive, motivational and perceptual…

Describes a cross-cultural comparative study of recall memory among children from two Guatemalan towns and one American city. (CM)

Compared the performance of two groups of subjects on psychoeducational tests taken during adolescence and early adulthood. Adolescents who had received a protein supplement when they were infants scored higher on tests of knowledge, numeracy, reading, and vocabulary and showed faster reaction times in information-processing tasks than adolescents…

Five studies examined personal continuity among Native and non-Native North American adolescents. Demonstrated that reasoning about personal persistence proceeds in an orderly and increasingly sophisticated manner over identity development. Failures to warrant self-continuity were strongly associated with increased suicide risk. Efforts to…

Compares the cognitive development of four subcultural groups of boys (Black and White, and lower- and middle-class) in order to test Arthur Jensen's theory. Nine-hundred subjects were studied for four years, and memory, intelligence, learning and transfer measures were employed. (Author/RH)