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| Bay, Mary | 2 |
| Staver, John R. | 1 |
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Bay, Mary; And Others – 1990
The purpose of this study was to compare the effectiveness of two instructional approaches on mildly handicapped and nonhandicapped students' science achievement. Students were assigned at random to one of two conditions: (1) direct instruction; and (2) discovery teaching. The content of the lessons remained constant across conditions and focused…
Descriptors: Academic Achievement, Disabilities, Discovery Learning, Elementary Education
Peer reviewedStaver, John R.; Bay, Mary – Journal of Research in Science Teaching, 1989
Examines 11 elementary science texts in terms of conceptual structure and reasoning demands using concept maps. Reports that (1) the conceptual structures vary widely across texts; (2) most of the structures are well defined; and (3) the reasoning demands are above the developmental capabilities of most of primary-level children. (Author/YP)
Descriptors: Cognitive Development, Concept Formation, Concept Mapping, Elementary School Science
