(Scenario III) The researchers involved in the study described in Scenario III want to conduct a follow-up study to determine the minimum amount of fat in a diet that leads to weight gain. To determine whether there is a linear relationship between amount of fat in one's diet and weight gain, the researchers should:

Question

Quizplus · Accepted Answer

To determine a linear relationship, the researchers should manipulate the independent variable (amount of fat) to have at least three levels to observe how changes in fat intake affect weight gain.

(Scenario III) the Researchers Involved in the Study Described in Scenario