This paper on classroom factors influencing students' proof construction ability reports findings from the data collected in the first two years of a three-year National Science Foundation (NSF)-funded project. Four different classrooms, two from each participating school, were involved in the project. Data sources included videotaped classroom…

This article examines some notable methods for describing concept display and instruction, and introduces a precise concept model. (Author)

Explains how the observation of overt behavior can be used as an indicator of knowledge of concepts or other internal changes in learning. (Author/DR)

It was concluded from the findings that instructors in rehabilitation setting vary significantly from their clients in perceptions of certain critical concepts related to the rehabilitation process. Some implications are discussed and tentative hypotheses are presented. (Author)

Number maps afford a clear and graphic means by which students can more readily grasp the concept of change in mathematics and social science. (Author)

Placing the child in a wholistic rather than an atomistic situation causes the classroom to become child-centered. In this way, concept formation by the child is accelerated. (CK)

The book reviewed deals with the control of motivation through cognition. (CK)

A basic paradox is proposed: both freedom and determinism are seen as valid models although they are basically contradictory. Whether or not freedom or determinism is valid depends upon the source of information the person is using at that time. Implications of the paradox for counseling practices are discussed. (Author)