Several people at the Statistics department at UCLA have organized
a list of teaching resources for statistics. Browsing through
these links should help in clarifying most problems that you
might encounter. That is, you will be offered various treatments
of the same subject matter. Click
here to begin your web explorations.
The author of the text,
David Howell, has a web page devoted to the text that includes additional problem sets and demonstrations and the like.
A good site with many useful links is the UWSP - Psychology Page. Check it out for links to online statistics tutorials, pointers to software tutorials (statistical software that is) and other stuff related generally to Experimental Psychology.
Having problems with the statistical terminology used in class? Check out this Statistical Glossary to help you out.
There is a mailing list devoted to discussion of statistics as it relates to psychology. If you want to find out how to get on the mailing list, here is the place.
There is an "under construction" site being built by David Lang that will provide interactive Demonstrations and Simulations of statistical concepts. So far there are only two on there, but it promises to keep growing!
Finally, for now at least, here is a general Guide to Statistical Computing Resources on the Web. If you want to do statistical computing, you should be able to find help here.
Cognitive Science. This page by Prof. Michael Dawson, at
the Department of Psychology - University of Alberta, includes
lecture notes for several classes related to Cognitive Science.
Psychology on the Web. If you're
interested in find out more about psychology, this link is a good
Intro to Perception. Introductory notes for Perception by
Prof. Allison Sekuler and Prof. Pat Bennett.
Notes on Perceptual Development by Prof. Pat Bennett.