Paper presents a two-fold operational partition of the structures involved in characterizing instructional knowledge. (Author)

Piaget's developmental theory is discussed and several research findings that involve Piaget's theories are reported. The understanding of reasoning patterns is presented as a means for the science teacher to identify the conceptual emphasis and demands of the subject matter and to help students develop more advanced reasoning patterns than they…

Reported is an Aptitude Treatment Instruction (ATI) Study designed to evaluate the aptitude of verbal comprehension in terms of two unitary complex science diagram types: a single complex block word diagram and a single complex picture word diagram.. ATI theory and research indicate that different effective instructional treatments tend to help…

This book is a collection of papers presented at the symposium, "Conference on Ordinal Scales of Cognitive Development, sponsored by the California Test Bureau. Papers include: "The Theory of Stages in Cognitive Development" (J. Piaget); "Two Approaches to Intelligence: Piagetian and Psychometric" (D. Elkind); "An…