Mr. Johnson wants a hyperactive boy to be able to sit quietly for at least 15 minutes at a time. To do this, he begins praising the boy for sitting still for one minute, then for two minutes, and then only for four minutes, and so on
Mr. Johnson's strategy reflects which one of the following concepts?
a. Shaping
b. A contingency contract
c. Distributed learning
d. Intermittent reinforcement
A
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Refer to Exhibit 7-11. The value of mean square within groups is
a. 0. c. 40. b. 10.58. d. 120.
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Of the following, the paragraphs that best illustrate identifying the problem are:
a. 1-3. b. 4-5. c. 6-8. d. 13-15. e. 18-19.
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Which of the following strategies can be used for both aesthetic and efferent listening?
a. Blending b. Evaluating c. Observing facial expressions d. Summarizing
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Proportional stratified sampling is preferred when the researcher’s goal is to compare groups.
a. True b. False
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