The effects of a visual advance organizer on a biology concept learning task among fifth graders (n=48) was investigated. After exposure to the advance organizer, three levels of learning outcomes-knowledge, comprehension, and application-were evaluated. Findings of the study are discussed in terms of the assimilation theory, aptitude-treatment…

The supplantation approach of this study hypothesized that media attributes may serve to bridge the processing link between learner aptitude capacity and the demands of a concept attainment task. Subjects were 492 males aged 16-21, drawn from a College of Technical and Further Education in Melbourne, Australia. All subjects were trade apprentices,…

Reasons for poor performance in mathematics by students in the United States are discussed. According to the authors, too many students never experience arithmetic at a physical, concrete level. Students are drilled in arithmetic facts without any meaningful context and are given few opportunities to use numerical concepts in real-life…