UNHCE Information Technology & Distance Education Blog

Using many text bullets with voiceover saying the same thing is actually counterproductive to the learning process. A better approach is to use a PowerPoint slide with a meaningful graphic, and then present the information orally.

For further info, here are some research-based articles:

Help! My Brain is Overloaded! http://www.unsw.edu.au/news/pad/articles/2007/mar/Cognitive_load_theory.html

Effective Teaching: Learning Theory Approach http://connect.educause.edu/library/abstract/EffectiveTeachingwit/43763