Related questions with answers

Analyze how twin studies help to differentiate the effects of genetic and environmental influences.

A patient who had recurrent headaches, fatigue, and loss of appetite received different diagnoses about this condition from several psychologists. In terms of assessment, this indicates a problem with

a. reliability.

b. classification.

c. validity.

d. standardization.

What, if anything, have adoption studies taught us regarding the relationship between heredity and personality? a. Adoption studies are a new area of study and have yet to offer any information on the effects of heredity on personality. b. Adoption studies have confirmed that personality can be strongly influenced by genetics. c. Adoption studies have not supported many behavioral genetics studies, thus questioning the idea that personality can be influenced by genetics. d. Adoption studies have resulted in conflicting findings, with some strongly supporting the influence of heredity on personality while others suggest that heredity has no influence whatsoever.

Question

Explain how twin studies and adoption studies are used in the field of behavioral genetics.

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Twin Studies: The results found that studying the Jim twins has aided in the development of behavioral genetics. The Jim twins study was evidence that confirms that genetics play a role in determining personality and behavior. The similarities in the twins' interests, hobbies, and even life decisions have made experts conclude that these similarities are due to their shared genetics. Moreover, identical twins are more alike in intelligence, leadership skills, capacity to follow guidelines and stand by traditions than fraternal twins. Furthermore, even in segregated environments, similarities between identical twins continued