Presents a theory of cognitive development that postulates a general cognitive processing system, a hypercognitive system governing self-regulation, and specialized structural systems responsible for processing different reality domains. Suggests five principles that serve as organizational pivots of developing cognition. Reports the results of…

A total of 400 subjects differing in age, sex, and SES were tested on strategic, relational, experimental, and postformal abilities. Results showed that Demetriou and Efklides' model of the development of formal thought could be integrated with theories claiming that thought is structured in different inquiring systems and develops postformally as…

The questions of whether undergraduate students use different processes in evaluating their own learning in a course, and whether such differences are related to differences in personality development or cognitive development were studied. It was predicted that students possessing well developed abstract conceptual structures would show a more…