Research demonstrating hypothalamus differences between homosexual and heterosexual men was compromised by which of the following flaws?
a) All of the homosexual men died of AIDS, and the illness may have caused the hypothalamus changes.
b) None of the heterosexual men reported on whether they had ever had intellectual disabilities.
c) The heterosexual men were drawn from a population of graduate students, while the homosexual men were drawn from a general community population.
d) Many of the heterosexual men in the sample were later found to have been dishonest about their sexual orientation.
ANS: A
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Perhaps you've seen the movie The Lion King. Two brother lions were at the center of the plot, Scar and Mufasa
Scar was weak, thin, and rather lanky. Mufasa was strong, muscular, and had a very dominant presence. Because Mufasa had the qualities and traits that would help him survive and reproduce at a higher rate than his brother, biologists would say that he had a higher level of A) androgen. B) drift. C) genetics. D) fitness.