Like I said, read your text book! Waste of money!

The Princeton Review usually oversimplifies the material that you need to know, so it's probably not such a good idea to get this book if you're having some or lots of trouble with the material. However, the practice questions are really good because they are very similar to the types of questions that are on the AP.

So if you need more practice questions, then get this review book, but if you only have the money for one, then buy the Barron's AP Psych book because it contains many review questions also (that are similar to the AP type) as well as an extensive review section that easily understandable but will also prepare you for the exam.

Before taking the actual AP Psychology test I prepared using this book. It mentioned all the concepts that were on the test, but remember that it is just a review book. Thus, it did not go into depth on many important concepts. So, if you don't fully understand something mentioned in the book, open your textbook to clarify that topic. Furthermore, I thought the practice tests were very similar to the real exam, so be sure to take those! Overall, I think perusing the book is an excellent way to prepare for the big test!