In a general sense, psychology is a science that studies human and animal behaviours, and the reasons of these behaviours. The symbolic foundation date of psychology is 1879. In this year, Wilheml Wundt (1832-1920) established a psychology laboratory in Leipzig. Psychology is accepted to have started as a science with the establishment of this…

This approach to the subject of adolescence is comprehensive, embracing three determinants which are universal for any stage of individual human development: (a) biology, (b) culture, and (c) psychology. The chapter on biology presents a brief review of the physical and physiologic changes of puberty, taking note of the impact of puberty on the…

This article outlines some of the contributions of Erik Erikson's theory of psychosocial development in providing a developmental perspective on career behavior. A brief overview of Erikson's theory is presented and possible contributions of the theory towards enhancing understanding of career development are noted. (Author)

Condensed from "The Teachers College Record, Volume 70 (December 1968), 227-31

Discusses hierarchical complexity of tasks as a way of conceptualizing information in terms of the power required to complete a task, and its implications for developmental psychology and information science. Provides an analytic solution to the definition of developmental stages and allows for the possibility within the science of scaling the…

Based on the papers presented at the 1996 Symposium of the Jean Piaget Society and highlighting the extent to which Piaget's ideas have served to scaffold contemporary thinking about every aspect of conceptual development, this volume examines the nature of conceptual development, its foundations, and the sources of its novelties. The chapters…