What Is the Enneagram?

The enneagram is a personality classification system that describes nine patterns of thinking, feeling and behaving. It’s used mainly in self-knowledge, training, coaching and spirituality settings; in academic psychology its presence is much smaller.

Its distinctive feature is that it focuses on the basic fear that would motivate each person’s actions, instead of stopping at visible behavior.

Where it comes from

The nine-pointed symbol reached the West through G. I. Gurdjieff, who taught it in the early 20th century as a diagram of processes, not as a personality typology; his student P. D. Ouspensky included it in In Search of the Miraculous: Fragments of an Unknown Teaching (1949).

The idea of linking each point to a character type came later. It was put forward by Oscar Ichazo, founder of the Arica school, in the 1960s, when he related the nine points to nine passions and nine fixations. In the early 1970s, the Chilean psychiatrist Claudio Naranjo connected those types with the categories of clinical psychology and spread them in the United States. His students and readers gave rise to the most popular versions, such as those by Helen Palmer and by Don Richard Riso and Russ Hudson.

If you’re interested in the symbol itself, its etymology and the meaning of its lines, we explain it in what does enneagram mean.

The root of behavior over the visible act

This model’s central difference from other assessments is its focus on the root of behavior. Observation has to go beyond physical acts, because appearances can be misleading.

Two people can do exactly the same thing for opposite reasons. One person might help a coworker out of a genuine wish to be useful, while another might do it out of fear of not being loved unless they make themselves indispensable.

The enneagram classifies people according to those underlying intentions, not according to their behavior.

It describes nine basic fears, such as the fear of being flawed, the fear of being controlled or the anguish of losing the group’s support.

By identifying that main driver, a person understands the root of their recurring frustrations.

The method for identifying a personality pattern

Identifying your own type takes honest self-observation to distinguish the real intention behind everyday decisions. The process usually combines questionnaires, reading the descriptions of each type and, in some cases, interviews with someone trained in the model. It’s good to know that these questionnaires don’t meet the standards of a psychometric test at the level of Big Five instruments.

The goal is to recognize the central protective strategy a person repeats without realizing it.

The RHETI questionnaire

The most widely used questionnaire for this purpose is the Riso-Hudson Enneagram Type Indicator (RHETI), developed by Don Richard Riso and Russ Hudson: 144 pairs of statements, from which you choose the one that describes you best. It flags the dominant type and the score obtained on the others.

Its naming is essentially the same as this site’s: it calls Type 1 the Reformer, Type 9 the Peacemaker and Type 8 the Challenger. Other authors use different names, such as the Perfectionist for Type 1.

The nine-pointed symbol

The symbol consists of a circle with nine points joined by a triangle and a six-pointed figure. In the modern reading, the internal lines show which type each profile moves toward under stress or as it develops.

That web of connections is meant to keep the model from being a rigid classification, although, as we’ll see below, it’s the part of the theory with the least empirical support.

The three centers of information processing

The nine types are grouped into three broad categories known as centers of intelligence.

The instinctive center includes Types 8, 9 and 1. According to the model, they filter reality through the body and intuition, and their underlying emotion is anger, whether expressed, denied or held in.

The feeling center groups Types 2, 3 and 4. They process the world through feelings and image, with shame as the underlying emotion and great sensitivity to how others see them.

The thinking center covers Types 5, 6 and 7. They prioritize analysis or anticipation, and their underlying emotion is fear or anxiety about what may come.

The nine types and their core fears

The system describes nine protective strategies. Each one responds differently to the challenges of its environment:

• Type 1 seeks rectitude and fears being bad or defective.
• Type 2 devotes itself to caring for others out of fear of not being loved.
• Type 3 focuses on performance and achievement so as not to feel worthless.
• Type 4 seeks an identity of its own out of fear of lacking one.
• Type 5 accumulates knowledge and conserves its energy because it fears being incapable.
• Type 6 seeks security and alliances out of fear of being left without support.
• Type 7 pursues stimulating experiences so as not to get trapped in pain.
• Type 8 exerts control over its surroundings so as not to be harmed or dominated.
• Type 9 keeps the peace around it and accommodates others to avoid separation.

The practical use in emotional regulation

The model is framed as a map of habitual automatic patterns. Identifying your own type isn’t meant to justify your character but to observe yourself more precisely: for example, recognizing that a need to stay busy all the time may be masking emotional avoidance.

What research says

The most complete review to date is the one by Hook and colleagues (2021), published in the Journal of Clinical Psychology, which analyzed 104 independent samples. Its conclusion is one of mixed evidence:

• For: some enneagram scales relate to the Big Five traits in the way the theory predicts, and several studies find that people experience it as useful for their personal or spiritual growth.
• Against: factor analyses usually find fewer than nine factors, no study has derived the nine types using clustering techniques, and there is hardly any research supporting the wings or the movements between types.

Our editorial team reads it like this: the enneagram is a useful language for introspection, with valuable insights about motivation, but not an instrument with the psychometric backing of models such as the Big Five. That’s why it’s best to take the result of any test as a hypothesis to explore, not as a verdict.

If you want to identify your own pattern, you can start with our enneagram test, or keep reading about what an enneagram type is and how many there are.

Sources

• Ouspensky, P. D. (1949). In Search of the Miraculous: Fragments of an Unknown Teaching. New York: Harcourt, Brace.
• Naranjo, C. (1994). Character and Neurosis: An Integrative View. Nevada City: Gateways/IDHHB.
• Riso, D. R. and Hudson, R. (1999). The Wisdom of the Enneagram. New York: Bantam.
• Hook, J. N., Hall, T. W., Davis, D. E., Van Tongeren, D. R. and Conner, M. (2021). The Enneagram: A systematic review of the literature and directions for future research. Journal of Clinical Psychology, 77(4), 865-883. https://doi.org/10.1002/jclp.23097