Question: Which measure is merely a simple difference score? a. Standard deviation = 2.41 O b. Difference scores = -2, -2, -1, +2, and +3 O

Which measure is merely a simple difference score? a. Standard deviation = 2.41 O b. Difference scores = -2, -2, -1, +2, and +3 O c. Range = 8 O d. Variance = 5.80

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