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October 16, 2025Open Access

Striking the Right Chord: How Vocal and Visual Cues Shape Learners’ Deep Cognitive Engagement in Video-Based Learning

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Authors

LWLing WangZPZhao PanBWBin Wang

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Overview

This observational analysis reveals how vocal characteristics affect cognitive engagement in video learning, suggesting improvements through instructor presence.

Key Points

  • Instructor presence amplifies the effects of vocal characteristics on learners' cognitive engagement, promoting deeper involvement.
  • Pitch level, pitch variability, and intensity variability have inverted U-shaped relationships with engagement, defining an optimal 'sweet spot'.
  • A total of 40,742 observations from Bilibili were analyzed, providing a comprehensive view of audio-visual interaction effects.
  • Intensity level demonstrates a U-shaped relationship with cognitive engagement, indicating unique moderating factors at play.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68f04935e559138a1a06e41bhttps://doi.org/10.21203/rs.3.rs-7465235/v1
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