Social robots and virtual agents as lecturers for video instruction
作者：
Highlights：
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• We used robotic and virtual agents as “talking heads” in video instruction.
• An experiment found knowledge recall varied based on how the lecturer was presented.
• Liking and social presence were higher with a human lecturer than with a robot.
• Robotic and virtual agents may be low-cost, accessible options for video instruction.
摘要
•We used robotic and virtual agents as “talking heads” in video instruction.•An experiment found knowledge recall varied based on how the lecturer was presented.•Liking and social presence were higher with a human lecturer than with a robot.•Robotic and virtual agents may be low-cost, accessible options for video instruction.
论文关键词：Embodied pedagogical agent,Pedagogical social robot,Human–robot interaction,Virtual agent,Talking head,Video instruction
论文评审过程：Received 24 December 2014, Revised 2 April 2015, Accepted 6 April 2015, Available online 23 May 2015, Version of Record 17 December 2015.
论文官网地址：https://doi.org/10.1016/j.chb.2015.04.005
