Although the information presented here is quite simple, the presentation of it and the ability to self-test should be helpful to undergraduates just learning about research. The examples provide a lot of reinforcement and variety. The interactivity may sustain interest for students who don't usually learn well from text or lecture.
Need Macromedia Shockwave. The design of this site is well-done. We need more interactive learning modules about topics in education like this one on web. This could serve as a good model.