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In the study conducted by Gottesman and Shields (1966), what conclusion did they reach regarding the relationship between genetic relatedness and the mental health disorder of schizophrenia?

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Final answer:

The study by Gottesman and Shields (1966) found that individuals with a higher genetic risk for schizophrenia were more likely to develop the disorder when raised in disturbed family environments. This highlights the importance of gene-environment interactions in the development of schizophrenia.

Step-by-step explanation:

The study conducted by Gottesman and Shields (1966) investigated the relationship between genetic relatedness and the mental health disorder of schizophrenia.

They found that individuals with a higher genetic risk for schizophrenia were more likely to develop the disorder when raised in disturbed family environments.

Specifically, the study showed that 36.8% of adoptees with high genetic risk and a disturbed family environment developed schizophrenia, compared to 5.8% with high genetic risk and a healthy family environment.

This research supports the idea that both genetic vulnerability and environmental stressors are necessary for schizophrenia to develop, highlighting the role of gene-environment interactions in the disorder.

Overall, the study concludes that genes alone do not fully determine whether an individual will develop schizophrenia.

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