DUSO is an experiential approach to learning which relies on the teacher as the facilitator of human development. The need for such a model becomes apparent when an examination of schools reveals a dichotomy between what we value in education and what children experience. What is necessary then is a program based on an affective, holistic design.…

A sample of 228 elementary school children in a large eastern city was administered tasks which tested visual perceptions of solid objects, and photographs and drawings of these objects. Results showed that children in grades one, four, and six demonstrate a tendency to perform more efficiently on observation and comparison tasks employing solid…

Using a pegboard and different colored pegs, students were able to visualize mathematical concepts, generate and solve problems, and test hypotheses. Illustrations included. (MA)

Piaget's model of children's conceptual learning and development was compared with Klausmeier's Conceptual Learning and Development (CLD) model in a longitudinal study. The CLD model suggests four successive levels of concept learning: (1) concrete--recognizing an object which has been encountered previously; (2) identity--recognizing a known…