Title: Don't waste your money
Review: I bought this book for Dr. Norman's class at the University of California, Riverside. I must say that this is one of the worst textbooks I've ever read. It is confusing, unorganized and the charts and diagrams are difficult to understand. It tries to be comprehensive but fails to clearly explain most concepts. The only thing worse than this book are Dr. Norman's lectures. There are plenty of other better books on this topic than this one.
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