| aa |

| ADULT TWIN SURVEY |
| This survey is being conducted by Dr. Joan Friedman, author of Emotionally Healthy Twins and of My Twin, My Self her upcoming book. Your answers will contribute significantly to my twin research. Your information will be treated confidentially and will not be shared, except in the form of de-identified quotes. |
| PART I Please check "yes" or "no" after the following statements. |
| YES |
| NO |
| Survey takers must be same sex twins over the age of 18. |