This study attempted to discover the characteristics of the developmental process whereby children follow a sequential pattern in their understanding of social relationships. A questionnaire was administered describing several simple dyadic situations in terms of one person helping or hurting another. The respondents were to indicate whether the…

Study deals with a comparative developmental analysis of performances on the same task by four age groups. (MB)

Two major trends in the development of natural language concepts were found in the present study: (1) there was a clear indication that such concepts exist in a relatively fragmented form in young children; (2) young children showed a strong dependence on perceptual attributes in their definitions of concepts. (Author/CB)

Extends William James' classification of phenomenalistic reality (PR) and analyzes PR using empirical data available in developmental psychology; focuses on the relation of PR to a human subject; to rational constructions; and to the idea of truth. Concludes that the development of phenomenalistic reality is qualitatively different from the…

In order to determine the cognitive development of Navajo children in terms of Piagetian conservation of number, mass, and continuous quantity, 168 Navajo children at seven different age levels from 5 to adult were presented with a series of three conservation tasks. The tasks consisted of a standard object and an equivalent object that could be…

This study attempts to reinforce developmental theory concerning spatial Comprehension by building on the qualitative observations of art educators of the past, and by strengthening the empirical basis of contemporary investigations into the relationship between pictorial representations, intellectual maturity, and environmental stimulation.…