Mayer’s research, which he covers in his book, Multimedia Learning . They also found cell phone use when dialing and texting to be dangerous, but just talking and listening didn’t lead to a statistically significant increase in risk.) As reported in the August 24, 2009 issue of Time magazine, new research indicates that talking on a cell phone while driving, even using hands-free technology, can be dangerous. In July, a previously-buried 2003 National Highway Traffic Safety Administration study was released and it identified the cell phone as a serious safety hazard.

For more details on this study including the “conditions” of the experiment and the statistical results see Michael Alley’s article ). Below is an adaptation of an illustration in Richard Mayer’s book Multimedia Learning : You’ve read Presentation Zen and Slideology and you’re convinced about the benefits of using visually-engaging PowerPoint slides when you present. But everyone else in your organization stubbornly sticks to the bullet-point slides.

Now" do you mean: That MS PP may not be the best choice for multimedia presentations? Or that multimedia presentations themselves must cease to be? I feel that like public speaking itself the multimedia component is often badly done with little thought paid to Mr. Support your arguments with evidence: facts, naratives, Boing Boing Home Gadgets TV Boing Boing Offworld Suggest a Link Archives Subscribe Mark Cory David Xeni John Moderation Policy Excellent public speaking advice Posted by Cory Doctorow , March 8, 2009 4:01 AM | permalink The inestimable Duncan Davidson, photographer laureate of the OReilly tech conferences, has distilled his experiences watching thousands of speakers on thousands of stages into a pithy, useful article about how to be a better