This paper examines the cognitive process of concept development in preschool children, based on recent psychological research. Rather than attempting an exhaustive review of the more than 7000 articles written on children's concepts of categories, the paper highlights and illustrates four key themes that emerge from recent research: first,…

This report proposes a pioneering diagnostic taxonomy of adult career problems, describes its development, and documents the results of a pilot test using a preliminary design to validate the taxonomy. The report is based on a study which had four major activities: a literature review of adult career development and pertinent taxonomies, a…

From investigations of cognitive development, intellectual ability, and learning strategies, representative examples of research are used to highlight dilemmas which attend the use of the terms "stages,""levels,""styles," and "strategies" to describe different aspects of human thinking and learning, especially in adolescents and young adults.…

Focuses upon number and spacing of children as perpetrators of normative stress. Effects are summarized and a typology of normative stress based on level of family impact is offered. Growth-enhancing aspects of stress are suggested in the context of the family as a system of mutual influences. (Author)

In four parts, this discussion describes characteristics of the thought of infants, preschool children, primary school students, and adolescents. Topics briefly addressed in part I, on the thought processes/capabilities of babies, concern sensorimotor thought without abstraction, the importance of physical exploration, the development of…