Described is an empirical and rational inquiry into the formation of a small set of special or geometrical concepts of young children. The approach taken by the author is to attempt to specify intellectual growth in one particular area, a child's acquisition of diagonality, in such a way as to be representative. That is, to give a clean portrayal…

This study sought to determine whether a number of specific counting and numeration behaviors emerge within children in a fixed developmental sequence; at what point in the development of mathematical behavior the use of numerical representations normally appears; and what relationship holds between development of counting skills and development…

Investigation of infant development among African tribesmen discovered the development of emotional responses follows identical time schedules of youngsters in civilized society. It is suggested that behavioral development is linked to early anatomical changes in the brain. (SL)

The present study explores the specific environmental influences in the intellectual development of 24 adoptive infants living in middle class families. (Author)

This pilot study trained parents in behavior modification techniques and attempted to evaluate the impact of this training on the rate of cognitive, linguistic and social development in infants. A second goal was to identify significant areas in infant development which might be influenced by the teaching strategies used. Subjects were four…

A 4-year follow-up study of children in the Rural Child Care Project has shown that greatest losses in intellectual functioning for former project children occurred in the first year of public school among those scoring above 80 on their first Binet but who were retained in grade 1. IQ change during grade 1 was negatively related to attendance at…

Twenty-two abstracts of papers presented at a symposium on the psychological development of gifted children comprise this document. Abstracts typically include the title of the paper; the author's name, title, institutional affiliation, location, telephone number, and electronic mail address; and a summary of the paper ranging from a short…

This paper is a working draft of a study which has examined the accumulated research on child growth and development. The draft is designed as an input paper to enable the Marin Social Studies Project to refine its rationale and criteria for a recommended K-12 social studies program of curriculum options. Identification of the capabilities of…

An appendix to a report entitled "Alternative Federal Day Care Strategies for the 1970's," this volume identifies and reviews possible measures of specific impacts of child care in such areas as the social, emotional, physical and intellectual development and the educational attainment of children; the child rearing attitudes and…