Abstract: The personality structure of 36 pairs of identical twins reared together was determined using The Essential Enneagram Test, (Daniels & Price, 2000) plus interviews of the participants and their family members. The results were compared with results from pairs of randomly selected unrelated individuals of known types. The Chi Square Test showed significant differences between the identical twins and the random pairs (p=0.003). Contrary to expectation, only 2 of the 36 pairs had the same personality type as each other (5.5%), fewer than in the control group (16.8%)(p=0.089). However, the personalities of 30 pairs were connected in several other ways on the Enneagram diagram. We hypothesize that these findings reflect both a strong genetic influence and an environmentally based “drive” for differentiation between identical twins reared together.


2008

The following content is accessible for members only, please sign in.

DO log in with the personal email address for your IEA member account.

DO NOT log in with an email address for an Accredited Enneagram School (AES) accounts or Accredited Training Program (ATP).

AESs and ATPs no longer have separate accounts.

Instead, log in with the sponsor’s IEA member account in order to make changes.

If you believe this is an error, try signing out and signing in again.

Loading…