The Effects of Virtual Human Gesture Frequency and Reduced Video Speed on Satisfaction and Learning Outcomes

Autor/inn/en	Davis, Robert O.; Wan, Li Li; Vincent, Joseph; Lee, Yong Jik
Titel	The Effects of Virtual Human Gesture Frequency and Reduced Video Speed on Satisfaction and Learning Outcomes
Quelle	In: Educational Technology Research and Development, 69 (2021) 5, S.2331-2352 (22 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Zusatzinformation	ORCID (Davis, Robert O.)
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1042-1629
DOI	10.1007/s11423-021-10010-x
Schlagwörter	Listening Comprehension; Nonverbal Communication; English Language Learners; Foreign Students; College Students; Multimedia Materials; Multimedia Instruction; Video Technology; Student Satisfaction; Motion; Advanced Students; Design + Suchen Sie Ihr Suchwort? Hörverständnis; Non-verbal communication; Nonverbale Kommunikation; Collegestudent; Multimediales Lernen; Bewegungsablauf; Fortgeschrittener
Abstract	Educators use various strategies to increase listening comprehension for nonnative English speakers in the classroom and multimedia environments. Research on audio reduction has shown mixed results, whereas a study that enhanced (doubled) virtual human gesturing found increased listening comprehension with procedural information (Davis and Vincent, British Journal of Educational Technology 50:3252-3263, 2019). This research examined the use of virtual human gesture frequency (enhanced, average, no) and video speed (normal, reduced 25%) on participant satisfaction and learning outcomes with procedural information. Analysis based on 234 multinational university students indicated that normal video speed significantly increased satisfaction compared to reduced speed; satisfaction was rated significantly higher with agents that gestured compared with the no-gesture condition; and enhancing the gesture frequency significantly increased learning outcomes compared to the average and no-gesture conditions. These findings support previous studies that indicated enhanced gestures significantly increase the learning of procedural information. Also, agent gesturing increased the satisfaction with the agent, which supports systematic review findings that gesturing is a principal moderator for agent persona (Davis et al., Journal of Research on Technology in Education 53:89-106, 2021). However, this research provides evidence that a 25% reduction in video speed may be too slow to maintain satisfaction with advanced foreign language users and that less reduced rates such as 15% or 10% should to be considered. Finally, this research puts forth a gesture design framework for designers to create gesturing virtual humans in multimedia environments. (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2024/1/01