Approximately ______ of the population finds masochistic activities pleasurable now and then.
a. 1% to 2%
b. 5% to 10%
c. 10% to 15%
d. 15% to 20%
Ans: B
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Babies born via cesarean are less likely to experience breathing problems.
Answer the following statement true (T) or false (F)
In the study by Cohen and his colleagues (1998) on susceptibility to the cold virus, ____
a. stress was not related to whether participants developed cold symptoms. b. all of the subjects who became infected with the virus developed cold symptoms because they all suffered some level of stress. c. only participants who suffered from acute stressful life events for less than a month developed cold symptoms. d. the stressors most closely related to colds were long-term conflicts with family or friends and unemployment.
In a drug study if the participants are blind as to the hypothesis under investigation and also whether they received the real drug or the placebo, then the participants
a. have been randomly assigned. b. have been randomly selected. c. will have the same expectations. d. will have differing expectations.
Parents tend to be especially committed to ensuring the gender typing of
A) sons more so than daughters. B) children of the other sex from themselves. C) children of their own sex. D) daughters more so than sons.