Researchers at Purdue University have some bad news for the 40 million people worldwide who deliver “standard” PowerPoint presentations each and every day.
When PowerPoint is used, the researchers concluded, the audience retains nearly 30 per cent less than if presenters eliminate PowerPoint and simply talk to their audience.
In other words, by simply turning off your projector and using your slides as notes, you can significantly enhance your communication effectiveness.
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What do you think about that;
"Students who weren’t exposed to PowerPoint scored 29 per cent higher on the quiz in recalling oral information, and achieved higher overall scores with the recall of all information. “The presence of PowerPoint negatively affected the recall of auditory information,” the researchers concluded, adding that “graphic scores reveal there was no notable gain when using PowerPoint to display graphic information. "