It is frequently held forth, within the area of virtual pedagogical characters, that such characters are beneficial for learning as they strengthen the social dimension of electronic learning environments. This article presents more details on this proposal together with a survey of corresponding empirical evidence. In addition, materials from a…

Form and function of reinforcement is discussed with attention to the focus for feedback. Case studies of five junior high schools provide data and field notes for a tentative analysis of the determinants of reinforcement including organizational factors and types of computer assisted instruction applications. (Author/MBR)