Resources: Enneagram Personality Style

Riso, Don Richard and Hudson, Russ, Discovering Your Personality Type: The New Enneagram Questionnaire is the best general introduction to the Enneagram, featuring the most reliable, easy-to-take questionnaire available, the Riso-Hudson Enneagram Type Indicator. The RHETI helps to identify your basic personality type with about 80% accuracy, thus revealing fundamental character traits, important patterns of behavior, and directions for change and growth.

This full personality profile is immediately useful for a variety of purposes, including personal development, business and personnel management, education, marriage and vocational.
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