6. Who found no evidence for higher concordance rates in MZ twins than DZ twins
- Andrews et al
- Nestadt et al
- Pauls et al
- Lambert and Kingsley
7. in carey and gottesman study which they used the maudsley twin register what % concordance rate was found for MZ twins
- 80%
- 11%
- 47%
- 23%
8. What was the percentage risk of first degree relatives developing OCD that Nestadt et al found in his study
- 11.7%
- 2.7%
- 9%
- 4%
