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Holcomb, Charlie M. – Journal of Research in Science Teaching, 1971
Students given sufficient information to be able to design chemical separations of cations performed better on a post-test, and on a four-month retention test on chemical knowledge and laboratory procedures, than students given a detailed laboratory guide listing the steps to follow. (AL)
Descriptors: Chemistry, College Science, Discovery Learning, Educational Research
Peer reviewed Peer reviewed
Starr, Robert J. – Journal of Research in Science Teaching, 1972
There was no significant difference in attitudes toward biology between high-ability grade nine biology students exposed to 20 randomly selected Invitations to Enquiry'' and similar students whose course did not include invitations. There is some suggestion that more difficult Invitations'' later in the course may have arrested a general decline…
Descriptors: Attitudes, Biology, Discovery Learning, Discussion (Teaching Technique)
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Babikian, Yeghia – Journal of Research in Science Teaching, 1971
Descriptors: Concept Formation, Discovery Learning, Educational Research, Instruction
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