Powerpoint negativt för lärande?

Science Daily rapporterar om en artikel i tidskriften International Journal of Innovation and Learning (2009, 6, 581-592, The dark side of custom animation), som hävdar att Powerpoint presentationer kan ha negativ effekt på det lärande som man vill åstadkomma.

We've all sat through one of those presentations where the animated slides are more interesting than the speaker. Bold and brassy titles slide into view, tasty slices of pie chart fill the screen one by one, and a hail of arrows spikes the points the lecturer hopes to highlight. But, are these custom animations and slide fades and dissolves actually adding anything to the lecture, or do they have a dark side that detracts from the message and impacts negatively on the message being presented?

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