Which of the following are requirements of a random sample?
A) ?Every individual has an equal chance of being selected.
B) ?The probabilities cannot change during a series of selections.
C) ?There must be sampling with replacement.
D) ?There must be at least 100 observations.
A
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Aria wonders if people are as conformist today as when _____ conducted his famous study on conformity. Aria is concerned about the _____ validity of this particular study.
A) Milgram; external B) Milgram; internal C) Asch; external D) Asch; internal
Which communication network shape is the most decentralized?
a. circle b. wheel c. chain d. concom
What kind of bias is the speaker in this story showing?
John was telling his friend Simone that he really doesn't consider himself prejudiced. If a man works hard, he says, he deserves more. John's family came to America from eastern Europe without a penny in their pockets and worked hard to become members of the middle class. He goes on to explain that he believes that there are hard-working Hispanics, too, but some of them just haven't been taught the meaning of hard work. His people, he tells Simone, work hard and deserve what they get! A) pro-social bias B) out-group bias C) prejudicial bias D) low-resource bias
Sexual abuse histories among patients with bulimia nervosa are
A) more common than typically seen in the family histories of anorexic patients. B) less common than one would expect from the histories of anorexic patients. C) no more common than among other psychological disorders. D) not documented well enough to be able to assess a prevalence rate.