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Direct linkDrummond, Gordon B.; Vowler, Sarah L. – Advances in Physiology Education, 2012
In this article, the authors consider the possibility that groups could be different, because of the different conditions of a factor. This is as far as the analysis can extend: the consideration is restricted to groups characterized by the different category of the factor being considered. In many biological experiments, the factor considered may…
Descriptors: Regression (Statistics), Science Experiments, Biology, Factor Analysis
Peer reviewedGarigliano, Leonard J. – Science and Children, 1975
Presents the results of an experiment designed to test two hypotheses: (1) a delay of two weeks at room temperature will have no effect on the viability of fertile chicken eggs and (2) refrigeration will have no effect on the viability of fertile chicken eggs. Experimenters were the author and two ninth-grade students. (PEB)
Descriptors: Biology, Experiments, Science Activities, Science Education
Peer reviewedPayne, Therese Anne – American Biology Teacher, 1973
Describes a microbiological experiment designed to study the competition between two species of bacteria. Experimental procedures and data obtained in conducting this experiment are provided, together with a discussion of the results. (JR)
Descriptors: Biology, Competition, Experiments, Laboratory Procedures
Peer reviewedMurphy, James E. – Science Activities, 1973
Descriptors: Biological Sciences, Biology, Experiments, Instructional Materials
