Question: A difference score is obtained by Question 30 Answer a. Either a or b, just so long as you are consistent b. Subtracting the After
A difference score is obtained by Question 30 Answer a. Either a or b, just so long as you are consistent b. Subtracting the After score from the Before score c. Subtracting the Before score from the After score d. Dividing After scores by Before scores
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