Learning in double time: The effect of lecture video speed on immediate and delayed comprehension

We presented participants with lecture videos at different speeds and tested immediate and delayed (1 week) comprehension. Results revealed minimal costs incurred by increasing video speed from 1x to 1.5x, or 2x speed, but performance declined beyond 2x speed. We also compared learning outcomes afte...

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Vydané v:Applied cognitive psychology Ročník 36; číslo 1; s. 69 - 82
Hlavní autori: Murphy, Dillon H., Hoover, Kara M., Agadzhanyan, Karina, Kuehn, Jesse C., Castel, Alan D.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Bognor Regis Wiley 01.01.2022
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Predmet:
Comprehension
Delayed
Learning
Learning outcomes
Lecture Method
Metacognition
Motion
online learning
Performance Factors
Sensory integration
Speech rate
Study Habits
video speed
Video Technology
ISSN:0888-4080, 1099-0720
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Popis
Shrnutí:We presented participants with lecture videos at different speeds and tested immediate and delayed (1 week) comprehension. Results revealed minimal costs incurred by increasing video speed from 1x to 1.5x, or 2x speed, but performance declined beyond 2x speed. We also compared learning outcomes after watching videos once at 1x or twice at 2x speed. There was not an advantage to watching twice at 2x speed but if participants watched the video again at 2x speed immediately before the test, compared with watching once at 1x a week before the test, comprehension improved. Thus, increasing the speed of videos (up to 2x) may be an efficient strategy, especially if students use the time saved for additional studying or rewatching the videos, but learners should do this additional studying shortly before an exam. However, these trends may differ for videos with different speech rates, complexity or difficulty, and audiovisual overlap.
Bibliografia:here
The experiments reported in this article were formally preregistered and the stimuli, data, and analysis code have been made available on the Open Science Framework
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ISSN:0888-4080
1099-0720
DOI:10.1002/acp.3899