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May 16, 2026British Journal of Educational TechnologyOpen Access

Correcting automatically generated closed captions for online learning materials does not improve student learning outcomes (although students believe it does)

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Authors

PAPeter J. AllenPBPolly BarrKMKristopher G. Magee

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Overview

Randomized trial reveals no effect of corrected captions on quiz performance despite student preferences.

Key Points

  • This research aims to evaluate the impact of corrected versus uncorrected captions on student quiz performance in lecture capture materials.
  • Randomized 144 undergraduate psychology students to 12 sets of lecture capture recordings with different caption conditions.
  • Administered 12 quizzes to assess understanding of materials across caption conditions.
  • Conducted follow-up surveys to gauge student perceptions of caption benefits.
  • No significant differences in quiz performance across caption conditions (M η 2 = 0.01; | M | δ = 0.12).
  • Students reported benefits from captions, preferring corrected versions despite not always noticing the differences.
  • Automatically generated captions are effective for accessibility and should be used routinely in education.

Cite This Study

Allen et al. (2026) studied this question.

synapsesocial.com/papers/6a080b84a487c87a6a40da8chttps://doi.org/10.1111/bjet.70074
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