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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
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L'Engle, Kelly Ladin; Pardun, Carol J.; Brown, Jane D. – Journal of Early Adolescence, 2004
This article describes a protocol that was effective in collecting media-use pattern and sensitive health data from young adolescents. Students from three public school districts in the southeastern United States were recruited to participate in a study of the impact of the media on adolescents' sexual health. Using a 34-page mailed survey,…
Descriptors: Grade 8, Grade 7, Early Adolescents, Sexuality