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For an experimental group in a program to reduce anxiety, the mean pretest score is 80 (max = 100) . The posttest score is 70. This change was the result of
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Q5: Which of the following is not a
Q8: The statement "Many students likely fear taking
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Q18: Thorndike's puzzle box studies<br>A)demonstrate the failure of
Q19: Social validity is said to occur when<br>A)a
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Q29: In a 2x2 design, the following results
Q39: What was the "critical incidents" technique?<br>A)a survey
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