Know Your Type

The Riso-Hudson Enneagram Type Indicator (RHETI) is the world's most validated Enneagram personality test — 144 questions, 9 types, one result.

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Free to take. Results saved to your account.

1 The Reformer

Principled, purposeful, self-controlled

 2 The Helper

Generous, caring, people-pleasing

 3 The Achiever

Adaptable, excelling, driven

 4 The Individualist

Expressive, dramatic, self-aware

 5 The Investigator

Perceptive, innovative, private

 6 The Loyalist

Engaging, responsible, anxious

 7 The Enthusiast

Spontaneous, versatile, scattered

 8 The Challenger

Decisive, willful, confrontational

 9 The Peacemaker

Receptive, reassuring, complacent

Learn More

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Enneagram of Personality

Wikipedia overview of the model's history, structure, and the nine types.

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About the RHETI

Wikipedia entry on this specific instrument — development, reliability, and validity research.

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The Enneagram Institute

Don Riso and Russ Hudson's organization — the source of the RHETI and extensive type research.

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Academic Research

Peer-reviewed studies on Enneagram validity, reliability, and correlations with other models.