A study in the International Journal of Innovation and Learning has now looked into how animations influence student comprehension, and suggests that they should be used cautiously.

Microsoft. You can change the background to anything you like if you're using Powerpoint to create presentations: a picture, a color, a gradient, or even an in-motion video. You'll know the best ...

Here's how to use the "Format Background" feature to change your PowerPoint slide background. Check out the products mentioned in this article: Microsoft Office (From $149.99 at Best Buy) ...

Launch Microsoft PowerPoint, and open the PPTX file for which you want to use a GIF as the background. Select the appropriate slide. Click the "Design" tab, and locate the "Background" section.