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Jonassen, David H. – Educational Communication and Technology: A Journal of Theory, Research, and Development, 1979
Of particular interest in this study exploring a number of questions related to multi-image presentation of information and acquisition of a concept--e.g., classifying plants--was whether redundancy (i.e., additional positive examples) and an opportunity to view nonexamples as well as examples would be helpful to seventh-grade students.…
Descriptors: Attention Span, Audiotape Recordings, Cognitive Style, Concept Formation
