Which adoption studies about the influence of genetics on the development of psychiatric disorders were described by Knowles? Select all that apply.

Question

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1.This is correct. Knowles described four types of adoption studies about the influence of genetics on the development of psychiatric disorders. They include studies of (1) children whose biological parents had a psychiatric disorder who were raised by adoptive parents who did not have a psychiatric disorder, (2) children whose biological parents did not have a psychiatric disorder who were raised by adoptive parents who had a psychiatric disorder, (3) adoptive and biological relatives of adopted children who developed a psychiatric disorder, and (4) monozygotic twins who were raised apart by different adoptive parents.
2.This is correct. Knowles described four types of adoption studies about the influence of genetics on the development of psychiatric disorders. They include studies of (1) children whose biological parents had a psychiatric disorder who were raised by adoptive parents who did not have a psychiatric disorder, (2) children whose biological parents did not have a psychiatric disorder who were raised by adoptive parents who had a psychiatric disorder, (3) adoptive and biological relatives of adopted children who developed a psychiatric disorder, and (4) monozygotic twins who were raised apart by different adoptive parents.
3.This is incorrect. This statement does not describe a study about adoption and the influence of genetics and the development of psychiatric disorders developed by Knowles.
4.This is incorrect. This statement does not describe one of the studies developed by Knowles regarding adoption and the development of psychiatric disorders.
5.This is incorrect. This statement does not describe one of the four types of studies developed by Knowles regarding adoption and the development of psychiatric disorders.

Which Adoption Studies About the Influence of Genetics on the Development