This updated guide offers content and test questions based on the most recent version of the AP Psychology course objectives. Our latest edition includes: Three full-length practice exams one diagnostic test and two full-length practice tests Comprehensive answer explanations for all questions A review of all AP test topics, including research methods, the biological basis of behavior, and treatment of disorders An abnormal psychology chapter completely overhauled to reflect the latest changes to the DSM-5 Fifteen additional multiple-choice practice questions for each unit with explained answers An analysis of the test s essay section with a sample essay The manual can be purchased alone or with an optional CD-ROM that presents two additional full-length practice tests with automatic scoring and fully explained answers.