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Useful but Distracting: Viewer Experience With Keyword Highlights and Time-Synchronization in Captions for Language Learning

MCML Authors

Abstract

Captions are a valuable scaffold for language learners, aiding comprehension and vocabulary acquisition. Past work has proposed enhancements such as keyword highlights for increased learning gains. However, little is known about learners’ experience with enhanced captions, although this is critical for adoption in everyday life. We conducted a survey and focus group to elicit learner preferences and requirements and implemented a processing pipeline for enhanced captions with keyword highlights, time-synchronized keyword highlights, and keyword captions. A subsequent online study (n = 66) showed that time-synchronized keyword highlights were the preferred design for learning but were perceived as too distracting to replace standard captions in everyday viewing scenarios. We conclude that keyword highlights and time-synchronization are suitable for integrating learning into an entertaining everyday- life activity, but the design should be optimized to provide a more seamless experience.

inproceedings WWC+24

MUM 2024

23rd International Conference on Mobile and Ubiquitous Multimedia. Stockholm, Sweden, Dec 01-04, 2024.

Authors

H. Weingärtner • M. Windl • L. L. Chuang • F. Draxler

Links

DOI

Research Area

 C5 | Humane AI

BibTeXKey: WWC+24

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