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Peer reviewed Peer reviewed
Kline, Arlyn A. – Journal of Research in Science Teaching, 1971
There were no significant differences in achievement between students using an earth science laboratory block with or without teacher direction. (AL)
Descriptors: Attitudes, Discovery Learning, Earth Science, Educational Research
Peer reviewed Peer reviewed
Smith, John P. – Journal of Research in Science Teaching, 1971
Descriptors: Classroom Observation Techniques, Classroom Research, Earth Science, Instrumentation