Why Is It Common in Moderation Analysis to Transform the Predictors

question 14

Multiple Choice

Why is it common in moderation analysis to transform the predictors using grand mean centring?

• A)Because it makes the bs for lower-order effects interpretable.
• B)Because it makes the b for the higher-order interaction effect interpretable.
• C)To correct for heteroscedasticity in the data.
• D)It makes the data normally distributed.

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