Reports on a study designed to determine the importance of images to experienced chemists and the nature of images among learners, with particular attention to correlations with level of learning. Suggests that instructional methods should consider the student's ability to develop specific images appropriate to the chemical concepts. (TW)

Perspectives on a psychological approach to learning are offered in this paper. Specific emphasis is directed to the assumption that children possess "minitheories." Minitheories are defined as attempts to make sense of particular kinds of experiences and are explained and delimited by the domain of experience to which they currently apply. This…

Maintains that misperceptions or incorrect mental images about relative location and size are common in geography. Reports on a study of 708 students ranging in age from junior high school through undergraduate school. Finds that misperceptions are widespread and exist across grade levels. (CFR)