Which of the following is true of the triphasic pills?
A. They comprise equal amounts of progesterone, testosterone, and estrogen.
B. They try to reduce total hormone exposure.
C. They contain three times the level of estrogens than that of combination pills.
D. They are intended to increase women's exposure to hormones threefold.
Answer: B
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Kyle and his wife Sheri decide they are finished having children, and thus Kyle undergoes a vasectomy. Not more than a couple of months after the surgery, they are surprised to find out that Sheri is pregnant. What may have gone wrong?
a. The doctor may have cut the wrong vas deferens. b. The sperm may have circumvented the vas deferentia and traveled through the spermatic cord. c. The procedure is only 80% effective, so the chance of pregnancy, although decreased, still existed. d. The couple may have had sex too soon after the procedure, allowing sperm remaining in Kyle's reproductive tract to be released into the semen.
The United States is considered a "rape-prone" society
Indicate whether the statement is true or false.
______ are additional factors that affect the dependent variable while being influenced by the independent variable.
A. Moderating variables B. Control variables C. Intervening variables D. Dependent variables
Longitudinal investigations (e.g., Allen et al., 2008) have revealed that premarital _______ significantly predicts later marital infidelity.
a) hostility b) communication behavior c) satisfaction level d) infidelity