From an evolutionary perspective, the ultimate reason we like sex is that:
A. we (consciously) want to have kids
B. cultural messages reinforce sexual desire from an early age
C. humans who didn't like sex didn't leave any descendants
D. our brains are wired to respond favorably to genital touching
Answer: C. humans who didn't like sex didn't leave any descendants
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Paco, age 65, was married for 42 years. His children are concerned because their mother died over 3 years ago but Paco continues in unrelenting grief; he cannot seem to let go of the loss of his spouse. What is Paco experiencing?
A. extreme grief B. complicated grief C. dissociative mourning D. depressionalization
For a very large ______, the t distribution will be the same as the z distribution.
A. t score B. t distribution C. df D. t test
The degree of contingency is highest when
a. Pr (outcome|behavior) = 1 and Pr (outcome|no behavior) = 0. b. Pr (outcome|behavior) = 1 and Pr (outcome|no behavior) = 1. c. Pr (outcome|behavior) = 5 and Pr (outcome|no behavior) = 0. d. Pr (outcome|behavior) = .5 and Pr (outcome|no behavior) = .5.
The three most widely used psychoactive drugs are
a. prozac, alcohol, and marijuana. b. caffeine, alcohol, and nicotine. c. alcohol, marijuana, and crystal meth. d. valium, nicotine, and alcohol.