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Hultsch, David F.; Hickey, Tom – Human Development, 1978
An examination of the concept of external validity from two theoretical perspectives: a traditional mechanistic approach and a dialectical organismic approach. Examines the theoretical and methodological implications of these perspectives. (BD)
Descriptors: Conceptual Schemes, Developmental Psychology, Models, Research Design
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Buss, Allan R.; Royce, Joseph R. – Developmental Psychology, 1975
Presents: (1) an outline of prototype age-related changes in cognitive structure; (2) an application of these interrelationships to some existent research and concepts in the abilities domain; and (3) a discussion of the multifactor approach in structuring age-related change to organismic views of cognitive development. (SDH)
Descriptors: Cognitive Ability, Conceptual Schemes, Developmental Psychology, Factor Analysis
Hodgson, James W.; Lewis, Robert A. – 1977
Exciting developments in family theory construction over the past few years demand a constant survey and evaluation of measurable progress. This paper documents some developmental trends that have taken place in the use of family theory and in the theory construction itself, as well as the relation of theory to advances in methodology. In summary,…
Descriptors: Behavioral Science Research, Conceptual Schemes, Developmental Psychology, Family Relationship