Animated pedagogical agents (APAs) have the potential to provide one-on-one, just-in-time instruction, guidance or mentoring in classrooms where such individualized human interactions may be infeasible. Much current APA research focuses on a wide range of design variables tested with small samples or in laboratory settings, while overlooking…

The purpose of this study was to test the principle of modality by using audio to deliver verbal information when that information is designed to support non-verbal information such as animations in a computer-based lesson. This was done by comparing the effect of two types of audio support mechanisms- a simple support mechanism consisting of…

A study was carried out at Pennsylvania State University to examine the effects of both textual and computer animated orienting activities--i.e., mediators through which new information is presented to the learner--and practice on the application and problem solving skills of elementary school students. It was hypothesized that students provided…