One of the most common questions I am asked when introducing people to the Enneagram goes something along the lines of: “Yes, but is it real? What scientific evidence is there?” It was exactly that question that prompted me to do my PhD research a few years ago. I could see the Enneagram worked for me but I wanted to know if it could stand up to rigorous psychological research. In this article, I have tried to summarise the published research on the Enneagram so that next time someone asks you that question you can answer confidently, “Yes, there is good evidence of its validity, let me tell you about it…”


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