Question

In a study, the researcher tries to use sugar intake to predict an individual's weight. However,...

In a study, the researcher tries to use sugar intake to predict an individual's weight. However, when the researcher adds exercise as another IV into the study, he finds out that the effect of sugar intake on weight has decreased. Which of the following statement can be true?

Select one:

a. Exercise is a suppressor.

b. Exercise doesn't have effects on individuals' weight

c. Exercise is a mediator.

d. All the statements are correct.

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Answer #1

Exercise is a suppressor because it is correlated with another independent variable i.e. sugar intake and suppressing its variance.

Option A is correct.

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