Please have parents review this PowerPoint. It is the best thing I've ever seen for explaining what constitutes Interference. It is new this year from DI HQ.


This file is very large. It took my computer about 45 seconds to load this file; and our connection is very fast- so this may take awhile for some slower connections.

Click here to access the Interference PowerPoint


To start the slideshow, at the menu bar select the title "Slide Show" (7th title from the left). Now select "View Show". To advance the slides, left click once on the slide. To exit the slideshow, press the ESC button at top left on your keyboard.