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My Work

The 107-question test produces a personality profile in 14 dimensions of normal style, based on the American Psychiatric Association’s diagnostic system. The chapters reveal how each style impacts all areas of your life and how others with each style affect you. This classic book is now in its 31st printing.

The New Personality Self-Portrait and the NPSP25

The 107-question personality self-assessment test included in the book, and the brand-new, revised 25th-anniversary online version.