An interesting study finds that written PowerPoint slides actually hinder learning (something I've always wondered about). Powerpoint bad for brains - Menace of slideware
"The use of the PowerPoint presentation has been a disaster," Professor Sweller said. "It should be ditched."
"It is effective to speak to a diagram, because it presents information in a different form. But it is not effective to speak the same words that are written, because it is putting too much load on the mind and decreases your ability to understand what is being presented."
Patty, Anna. Sydney Morning Herald. April 4, 2007. http://www.smh.com.au/news/technology/powerpoint-presentations-a-di...
[April 9, 2007]
How are you using PowerPoint? How are your students using it? How do you help them avoid the "sweller effect?"