Which one of the following is not included in the criteria for an acceptable research hypothesis?

a. It explains existing data in simpler terms than competing hypotheses do.
b. It has better than a 50 percent chance of being true.
c. It fits into a framework of existing theories.
d. It does not contradict the laws of nature.
e. It presents an adequate explanation of the research problem.


B

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About _____ percent of elderly people over the age of 65 have a serious eye disorder (includes those with cataracts)

a. 10 b. 30 c. 50 d. 70

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David Moore tries to start each of his lessons with a demonstration, such as dropping two objects of unequal weight and seeing them fall with the same rate of acceleration. Which of the following best describes Mr. Moore's attempts?

a. He is trying to capitalize on learners' extrinsic needs to feel competent. b. He is trying to capitalize on learners' intrinsic needs for intellectual achievement. c. He is trying to capitalize on the intrinsically motivating effects of curiosity. d. He is trying to capitalize on learners' intrinsic needs for control and self-determination.

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What are the advantages of a multiple baseline design?

A. Withdrawal of treatment is not required. B. Sequential implementation of the independent variable parallels the practice of teachers. C. Generalization of behavior change is monitored within the design. D. All of these are correct.

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The adolescent brain:

a. Begins to lose the ability to recover from trauma. b. Finds it easier to acquire new skills. c. Finds it easier to acquire new languages. d. Does not change during puberty.

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