Deals with biologically based sex differences in early childhood. Strategy is to assume that the earlier a particular behavioral difference appears in the life cycle, the more likely it is influenced by biological factors. Such biological influences may lead to differences in fear, cognitive functioning and variability between boys and girls.…

Deals with some of the important relations between mother and environmental factors in their effects on an infant somatic and behavioral development. (Author/JM)

Suggests that variations in the quality and type of infant care, in institutional and other settings in different cultures and social classes, can have influences on the long-term development of the child's rate, level, and type of cognitive development. (HOD)

A demonstration project using young men as day care workers in the Early Learning and Child care centers in Atlanta is described. The proposal for the demonstration project and a progress report are given. Four white advantaged and four black disadvantaged male high school students were recruited to work as caregivers for black and white boys and…

This paper, part of a long term study, reports the effect of a modified Montessori preschool experience on cognitive development, school-related behaviors, and social interactions and perceptions of disadvantaged children. Each of thirty-five disadvantaged Negro children (31 in nursery classes and 4 in elementary classes) was pair-matched with a…