A danger in labeling a pre-existing groups as though they were independent variables is
a. Not realizing that groups are always dependent variables
b. That true differences may be obscured
c. Not looking at individual scores
d. That variability is increased
b
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Samantha had not really thought much about who should get her vote, but for the entire month before the election, she constantly heard messages saying, "Vote for Don Green. He's the best person for the job.". On election day, after voting for Don Green, she told her friends that she believed he truly was the best candidate. Based on the research into factors that influence persuasion, it appears
that Samantha has been influenced MOST by a. repetition of a message. b. the presentation of a one-sided argument. c. Don Green's expertise and credibility. d. Don Green's trustworthiness and likeability.
Superstitious behaviors are
a. repeated because they appear to produce reinforcement. b. necessary to produce response-contingent reinforcement. c. observed in animals, but not people. d. characterized by all of these.
When do the first internal changes take place to signal the start of puberty?
a. 11-13 b. 7-8 c. 12-14 d. 9-11
Which of the following is a cognitive difference between boys and girls?
A. Girls are more likely to begin speaking earlier. B. Girls are better at mathematical reasoning. C. Boys are better at computational mathematics. D. Boys are more likely to begin speaking earlier.