Many online videos feature an instructor on the screen to improve learners' engagement; however, the influence of this design on learners' cognitive load is underexplored. This study investigates the effects of instructor presence on learners' processing of information using both subjective and psychophysiological measures of cognitive load. Sixty…

There has been a lack of research on how people with individual differences learn with multimedia materials, in particular with regard to individuals with dyslexia. Dyslexia is a learning disability characterized by subpar ability in reading, spelling, writing, word recognition, and phonological decoding. This population could potentially benefit…

This study investigated the effects of multimedia and modality design principles using a learning intervention about Australia with a sample of college students and employing measures of learning outcomes, visual attention, satisfaction, and mental effort. Seventy-five college students were systematically assigned to one of four conditions: a)…