Discusses problems that educators face in attempting to emphasize high-level cognitive skills in their curriculum. Identifies four elements of informal learning that guide the creation of these skills, through a comparison of the characteristics of formal and informal learning environments. Notes benefits for development of students' conceptual…

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.…

Explains how the author's ideas about the development of the mind and forms through which its contents are revealed developed. Also, explores uncertainties the author has felt about educational philosophy and practice, and discusses implications for future educational research that does justice to the development of human intellectual capacities.…

A review of Piaget's theory and research on children's cognitive development is presented, including a discussion of the psychological structures of intelligence, developmental constructivism, and the evolution of knowledge as a subject-object relation. Piaget's assessment techniques are summarized, including moral development, number…