This report investigates perceptual functioning in the kindergarten first-grade period for slow- and average-maturing children. Two sets of auditory and visual tasks were devised: (1) identifying the first of an ordered pair of lights or tones when speed of presentation was a factor, and (2) categorizing each stimulus signal either by a uni- or…

This document on early characteristics of high and low achieving black children of low socioeconomic status is part of the ETS Head Start longitudinal study, Disadvantaged Children and Their First School Experiences. In the study reported here, intensive case studies were prepared for those study children who, on a 3rd-grade achievement test,…

This is a partial report of a longitudinal investigation designed to assess the psychological effects of an experimentally conducted day care program on children during the first 30 months of life. The experimental subjects were Chinese and Caucasian children from working and middle class families who were cared for at a special group care center…