A recent medical study found that children who watch more than 4 hours of television a day were more likely to be obese (overweight) than children who watched less television. In this study, the independent variable is ______.
A) obesity
B) 4 hours of television
C) time spent watching television
D) children watching television

Question

Quizplus · Accepted Answer

The independent variable is the variable that is being manipulated or changed in the study. In this case, the researchers are interested in how the amount of time spent watching television affects obesity in children. Therefore, the independent variable is time spent watching television, which is indicated by choice C.

A Recent Medical Study Found That Children Who Watch More