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Author Question: What is the purpose of a twin study? a. to tell us if twins siblings get along better than ... (Read 53 times)

fox

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on: Jun 21, 2018
What is the purpose of a twin study?
 
  a. to tell us if twins siblings get along better than non-twin siblings
  b. to help us understand the influence of genetics and environment on personality
  c. to aid in our understanding of monozygotic twin feelings of attachment
  d. to conduct two studies at once and compare results

Question 2

How can whether or not you have a sexual partner influence your hormone levels?
 
  What will be an ideal response?


ultraflyy23

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Reply #1 on: Jun 21, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: Men and women who are single tend to have higher testosterone levels than those who have partners, perhaps because high testosterone levels helps people initiate sexual relationships. Among men high testosterone levels are consistently correlated with the initiation of sexual activity, but some evidence suggest that this hormone also influences women's sexual behavior, too. Another study found that men's testosterone levels increase prior to divorce and then decrease when they remarry.


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