This document reports an investigation of the relationship between maternal practices as observed in the home and the cognitive development of young children from low-income families. The purpose of the study was to determine if lower-class maternal warmth was associated with intellectual growth of the child. Fifty-two lower class mothers were…

A four-and-a-half-year longitudinal experiment reconsidered the contribution of organic impairment to the genesis of mild mental retardation among disadvantaged children. It was hypothesized that nonoptimal perinatal conditions might result in deficits that increase a child's vulnerability to environmental risk factors. Study results supported the…

In a discussion of psychological development separate sections are devoted to (1) biological and cultural influences on development, (2) development in infancy, early childhood, middle childhood, and adolescence, (3) physiological foundations of behavior, (4) motivation and cognitive development, (5) intellectual development, (6) imagination and…

This report surveys writings by National Institute of Mental Health grant recipients who have investigated this first five years of life. The authors attempted to identify and correlate ideas, themes, perspectives and issues which can be useful in the formulation and evaluation of social policies related to infant and child development. Major…