Pinch Hitter: The Effectiveness of Content Summaries Delivered by a Guest Lecturer in O... - 3 views
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Cub Kahn on 07 Dec 17Key finding: "Our data suggest that inserting short summaries into existing course videos is a simple and facile way to improve student recall of course contents." Thirty-second lecture summaries at the midpoint and end of lecture videos were correlated with significantly better learner performance on related quizzes. This was true if the lecture summary was delivered by the course instructor but not if it was delivered by a "guest." (Note: The average video length was approx. 10 minutes.)