Autism is currently one of the most prominent and widely discussed human conditions. Its increased prevalence has intensified the demand for effective educational and therapeutic services, and intervention science is providing mounting evidence about practices that positively impact outcomes. The purpose of this report is to describe a set of…

This study was undertaken to determine the relative contribution of age, sex, and three stimulus features (board shape, block arrangement, and block shape) to perceptual accuracy on 39 board/block adaptations of Piaget's three-mountain task. (Author/SB)

Examines the extent to which the changes in friendship during a school year influence children's impressions of their friendships and their preference for sharing over competition with friends. Also studied the differences between friendships in middle childhood and early adolescence, using multiple methods and measures. (HOD)

Fixation time, smiling, vocalization, and fret/cry were recorded to obtain a complete picture of infants' responses to facial stimuli over the first year of life. Four stimuli were presented to 120 infants. Results of fixation data indicate that (1) there is a marked decrease in fixation toward facial stimuli within the first year, (2) at all ages…

This paper reviews nine studies which report conflicting results in assessing the relationship between children's role-taking ability and communication skills. The studies included satisfy three criteria: (1) role-taking and communication efficiency are measured independently; (2) tasks used to measure the two skills are significantly different in…

This document is an English-language abstract (approximately 1,500 words) of a three-part volume on the psychology of child personality development. In part one, the author shows that psychology is one of the most important scientific disciplines on which education is based, particularly because of its contribution to the scientific planning of…

This paper presents two studies of the development of social competencies in infancy. In the first experiment, the central issue investigated was whether facial configuration or height is utilized by infants to respond differentially to children and adults. Five different strangers, a male and a female child, a male and a female adult, and a small…

The development of 36 Down's syndrome infants and children (ages 3-35 months) who had been involved in an early intervention project for periods ranging between four months and two years was assessed. (Author/DLS)