This article discusses William G. Perry's model of intellectual development, which posits that college students move through four phases of understanding their relationship to knowledge: dualism (knowledge as received truth), multiplicity (knowledge as opinion), relativism (knowledge as relativistic), and commitment in relativism. Specific…

PIAGET HAS BEEN CONCERNED WITH THE ASSESSMENT OF THE PRESENCE OR ABSENCE OF CONSERVATION AND RELATED PROCESSES, BUT HE HAS NOT FOCUSED EXPERIMENTALLY ON THE FACTORS WHICH CAN ACCOUNT FOR THE LEARNING OF CONSERVATION. TO INVESTIGATE SUCH FACTORS, RESEARCH WAS CONDUCTED (1) TO DETERMINE THE RELATIVE EFFECTIVENESS OF TWO PARTICULAR GROUP TRAINING…

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…

This booklet offers practical, easy-to-read suggestions for teachers, paraprofessionals, and parents to help them understand intellectual development and intellectual disabilities. The first section highlights some of the factors involved in intellectual development and the importance of being sensitive to different stages of learning. The second…