A reanalysis of a structural equation model of the development of intellectual abilities is presented. The original model emphasized four different constructs of intelligence; the reanalysis emphasized a general factor model. (Author/JKS)

Explains that from a prediction standpoint the confluence model is not very efficient. Very modest increments in accuracy are associated with family configuration variables once chronological age is covaried. Suggests that the major postulates of the theory be tested directly, within individuals and with longitudinal data. (Author/AS)

In research conducted "over a period of 20 years" on aptitudes of high level personnel, the purpose was to analyze thinking abilities or processes into their unique components. The approach was through study of individual differences in performance on intellectual tasks varied systematically over broad ranges of psychological functioning.…

This book describes the Reflective Judgment Model (RJM) and provides a comprehensive review of the research on it and the Reflective Judgment Interview (RJI). Chapter 1 defines reflective judgment as an often neglected aspect of critical thinking. Chapter 2 discusses stage-related assumptions that underlie RJM and relates RJM to current work in…

Current theories of intellectual development claim that such development proceeds through invariant sequences of increasingly more adequate cognitive structures. According to the two dominant theories on changes in intellectual functioning during adulthood, intellectual development is essentially accomplished by adolescence, although sharpening…

The Home Learning Center (HLC) Project, a combination of research and demonstration containing phases of basic research, material development and field testing of materials and delivery system, began in 1968 as a longitudinal investigation of a home-oriented approach to intervention in the lives of very young children which might enhance their…