Purpose: The effects of class structure (i.e., lecture vs. flipped) and repeated review on: 1) exam scores and 2) student perceptions of learning were compared in a prospective randomized controlled trial (Study 1) and a retrospective cohort study (Study 2).
Methods: In Study 1, 42 second year students in a Doctor of Physical Therapy program were randomized to either a lecture or flipped section of a neurobiology class. Both sections incorporated repeated review. In Study 2, exam scores were retrospectively compared between two cohorts: a lecture cohort without repeated review (n = 42) and a flipped cohort with repeated review (n = 46). In both studies, outcomes of interest were exam scores and student surveys.
Results: In Study 1, students in the lecture and flipped sections had similar exam averages (lecture = 76.7 ± 17%, flipped = 77.5 ± 17%, p = 0.73). Repeated review significantly improved exam scores by 12.0 percentage points (95% CI: 8.0 to 16.0 percentage points) in the lecture section and 10.8 percentage points (95% CI: 6.9 to 14.8 percentage points) in the flipped section. The flipped section reported higher levels of satisfaction and perceived learning. In Study 2, the flipped cohort had significantly higher exam scores than the lecture cohort (lecture = 70.2 ± 6.9%, flipped = 83.4 ± 7.7%, p < 0.0001). Student satisfaction and perceived learning were similar in both cohorts.
Conclusion: Exam scores improve with review questions and quizzes provided in a class, both in a lecture or flipped classroom.
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