1. Feline Reactions to Bearded Men (Humorous Research)

http://www.sree.net/stories/feline.html

This humorous study is described as a factorial design experiment. Cats were exposed to photographs of bearded men. The men were depicted in beards that were various sizes, shapes, and styles. The dependent variable was the cats' responses.

2. Graphing Interactions

http://www.uvm.edu/~dhowell/SeeingStatisticsApplets/graphint.html

This Web site has an interactive applet that illustrates changes in interactions when there are changes at different levels of the independent variable. Use your mouse to slide the bar and adjust the means in the columns and rows to see the changes that take place.