__________ is a hormone that may help increase an individual's trust in another person.
A. Oxytocin
B. Vasopressin
C. Testosterone
D. Estradiol
Answer: A
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One reason that women may be reluctant to use birth control is that
a. many women have not heard about birth control as an important issue. b. most women secretly want to have a baby. c. many women do not want to think about the fact that they are sexually active. d. all of the effective contraceptives have been demonstrated to have high health risks.
MDMA (ecstasy) produces its effects by influencing the activity of a. serotonin and oxytocin
b. dopamine and norepinephrine. c. acetylcholine (ACh) and dopamine. d. glutamate and serotonin.
If the same coin is flipped twice, coming up heads on the first flip has no effect on the probability of it coming up heads on the second flip. This means the two events are ______.
a. mutually exclusive b. dependent c. independent d. randomized
A study involves a 3 × 4 × 2 factorial design. How many independent variables are being studied?
A. 4 B. 24 C. 3 D. 9