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Comparison of different study strategies for majors and nonmajors. Students rated the frequency (1 = never, 5 = always) with which they reworked their homework, clicker questions, and problem-solving activities. Majors reworked their homework significantly more than nonmajors but did not significantly differ in their other study strategies. Error bars show the SEM (*, Wilcoxon rank-sum test, p < 0.001).
