By A.M. Benis, Sc.D., M.D. This book presents the essentials of the most quantitative personality test available online. The NPA personality test is based on the identification of three interacting genetic traits, namely sanguinity, perfectionism and aggression. The three traits provide the framework for one's "personality type". If you have an interest in personality and have already taken the NPA test, you may have found it to be an exciting experience...
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Psychology