Investigated development of altruism in children according to a theoretical perspective that integrated Piagetian micromodels accounting for change from preoperational to operational stages. Subjects were 90 children of 5-12 years of age. Older children were more likely to consider an altruistic act in terms of gain construction than cost…

Discusses the influence of Levy-Bruhl's analysis (1910) of "primitive" mentality on Piaget's research and theory contrasting child and adult ontology and logic. Maintains that parallels between their research designs substantiate Piaget's explicit references to Levy-Bruhl. Suggests that their conceptual kinship has implications for an…

Three samples of 8- to 16-year olds were assessed three times at yearly intervals on eight water-level items. Within-child change over age was viewed as stochastic process of the child changing or remaining in one of three latent strategy states. Although there was improvement in task performance over age, the general finding was that strategy…

If, as research suggests, exposing children to two languages and two cultures provides a cognitive advantage, it could be assumed that a child exposed to two languages may be accelerated in a more advanced cognitive stage (as defined by Piaget) than a child exposed to only one language. This study sought to determine when Hispanic children from…

This longitudinal study examined effects of family socialization on sociomoral reasoning in the context of the peer and parent-child relationships. Subjects were 121 urban Icelandic children. Social class was constructed as a multinominal measure defined by the nature of work, education, authority, and responsibility of the parents in the work…

The developmental increase in the ability to solve problems is a puzzle. Does it come from basic changes in mental skills, or is it a matter of practice? This book from the Developing Child series synthesizes recent research examining children's problem-solving skills development. Chapter 1 presents the major themes: (1) there is increasing…