https://link.springer.com/article/10.1007/s10648-020-09587-1
Effectiveness of Multimedia Pedagogical Agents Predicted by Diverse Theories: a Meta-Analysis - Educational Psychology Review
Multimedia pedagogical agents are on-screen characters that allow users to navigate or learn in multimedia environments. Several agents’ characteristics may moderate their instructional effectiveness, including appearance, gender, nonverbal communication, motion, and voice. Here, we conducted a meta…