Most American children are toilet trained:
a. by age 1 to 2.
b. by age 3 to 4.
c. by age 5 to 6.
d. It depends upon age and the number of "accidents."
B
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Every participant in an experiment has an equal chance of receiving one of the treatments. This is called
a. control assignment. b. random selection. c. a placebo effect. d. random assignment. e. control selection.
Regarding stress disorders, which of the following statements is FALSE?
a. Ten to 20 percent of military veterans returning from combat develop PTSD with eight percent still suffering PTSD decades after they were in combat. b. Acute stress disorder lasts more than three months but less than a year. c. Stress disorders occur when people experience stresses outside the range of normal human experience. d. Symptoms of stress disorders may include insomnia, nightmares, irritability, explosive anger, or blunted emotions.
Today's society is more like a "tossed salad" than a cultural "melting pot.". Rather than expecting everyone to be alike, psychologists believe that we should embrace
a. status inequalities. b. homogamy. c. multiculturalism. d. diffusion of responsibility.
Noah and Ava are married and voluntarily childless. They are probably
A) college-educated. B) uneducated. C) unhappy. D) self-indulgent.