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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:

a. Exercise is a suppressor.

Step-by-step explanation:

A variable that diminishes the effect of another variable on the outcome is known as a suppressor. In this particular experiment, when exercise is introduced, it was observed that when exercise was introduced, there was a decrease on the effect of sugar intake on weight. Therefore, exercise is a suppressor.

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