This study examines interaction patterns in a series of game activities for learning social skills by autistic youth in a 3D game-based collaborative virtual learning environment (CVLE). Researchers studying collaborative learning have indicated the importance of social interactions and social presence. However, few studies have examined the relationship of avatar social interactions with embodied social presence in a 3D game-based CVLE. Specifically, we examined avatar-mediated verbal and nonverbal interactions by autistic youth in iSocial, a ...