Assesses children's understanding of the impact of length, noise, age, and time on performance of three cognitive activities: memory, communication, and attention. Subjects were 18 preschool children and 18 first graders. (MP)

Three studies explore the development of discrimination and memory for symmetry in preschoolers four to six years of age. Issues addressed include the young child's ability to discriminate and reproduce symmetry, and the effects of pattern orientation and complexity on the young child's symmetry discrimination and reproduction. Results indicate…

Investigates whether an experimentally imposed 80dB (A) noise affected psychomotor, serial memory words and pictures, incidental memory, visual recall, paired associates, perceptual learning, and coding performance of five-year-old Black children attending day care centers near and far from elevated subways. (HOD)

These papers deal with four specific propositions concerning the role of measurement in early childhood education: 1. measurement should play an integral part in early education, independent of special pressures to evaluate program effects; 2. the measures should be designed or adapted specifically to the continuing needs of preprimary educators…

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…