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Bierema, Andrea M.-K.; Schwarz, Christina V.; Stoltzfus, Jon R. – CBE - Life Sciences Education, 2017
National calls for improving science education (e.g., "Vision and Change") emphasize the need to learn disciplinary core ideas through scientific practices. To address this need, we engaged small groups of students in developing diagrammatic models within two (one large-enrollment and one medium-enrollment) undergraduate introductory…
Descriptors: Undergraduate Students, Biology, Science Education, Introductory Courses
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Cohen, Jerome; Han, Xue; Matei, Anca; Parameswaran, Varakini; Zuniga, Robert; Hlynka, Myron – Learning and Motivation, 2010
When rats had to find new (jackpot) objects for rewards from among previously sampled baited objects, increasing the number of objects in the sample (study) segment of a trial from 3 to 5 and then to 7 (Experiment 1) or from 3 to 6 and 9 (Experiments 2 and 3) or from 6 to 9 and 12 (Experiment 4) did not reduce rats' test segment performance.…
Descriptors: Laboratory Experiments, Short Term Memory, Rewards, Probability