A precise formulation of both cognitive structure and its related theory is provided through use of the mathematical theory of categories. Weaknesses and imprecision in cognitive theory are identified. Using category theory, cognitive structure and related Piagetian theoretic terms are precisely defined and some interrelationships are discussed.…

Little is known about how teachers encourage memory activity and strategy use in children. In order to gain such information, 69 teachers of grades K through 6 were observed in five 30-minute periods. A total of 292 strategy suggestions and 15 instances in which the teacher attempted to suppress spontaneous strategy use were observed. Teachers…

After a pilot study identified possible responses that children and adolescents give when defining concrete and abstract nouns, a study investigated the development of concrete noun (specific objects) and abstract noun (concepts) definitions given by 10, 14, and 18-year-olds, as well as whether abstract and concrete nouns are defined in a parallel…

The Language Acquisition Device, or LAD, is related to reading and intellectual development in the first of five papers on cognitive and affective characteristics of exceptional children. A discussion of the intellectual processes involved in learning focuses on the developmental stages of Piaget. A report on a task force to discuss terminology…