QUESTION 16. The Müllerian ducts are precursors to the ______. a. Testes b. Ovaries. c. male internal sex organs. d. female internal sex organs QUESTION 17. Androgens are produced by the ______. a. vas deferens. b. Testosterone. c. ovaries. d. Phallus. QUESTION 18. An important difference between the organizing and activating effects of hormones is that activating effects ______. a. are always temporary b. are permanent c. occur anytime in the individual’s lifetime d. usually occur early in development QUESTION 19. Maccoby and Jacklin (1974) concluded that boys and girls differed in their abilities in what areas? a. Boys have greater visual-spatial abilities. b. Boys have lesser visual-spatial abilities. c. Boys have greater verbal abilities. d. Boys have lesser mathematical abilities. QUESTION 20. Why are modern researchers less convinced that gender-related differences in cognition and behavior have a physiological basis? a. Murder rates are the same in different countries, showing that males are generally more aggressive than females. b. Males and females no longer differ much in mathematical abilities, although boys are still overrepresented at the lower and higher extremes. c. Males and females now have the same levels of aggression. d. These differences have increased over time due to changes in gender roles.
