Magnus Haake, Agneta Gulz:
A Look at the Roles of Look & Roles in Embodied Pedagogical Agents - A User Preference Perspective.
39-71
Stephanie Siler, Kurt VanLehn:
Learning, Interactional, and Motivational Outcomes in One-to-One Synchronous Computer-mediated versus Face-to-Face Tutoring.
73-102
