What is the preferred measure of variability for interval scale data?
A. use a frequency distribution
B. standard deviation
C. variance
D. range
B. standard deviation
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The Managers, as group leaders, score low on executive functions with low amounts of the other functions.
a. True b. False
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______________________ of ex-offenders are re-arrested within three years after release
a. Over one third b. Over one quarter c. Over two thirds d. Over one half
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Discuss the relevance of Using and applying skills in evaluating research.
What will be an ideal response?
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In appraisal, regression equations are most frequently used to:
A) ?predict test-takers' performance on the criterion. B) ?compute test-retest reliability. C) ?measure developmental changes. D) ?analyze the makeup of the norming group.
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