Alfredo is conducting an experiment on the effects of exercise on concentration.The independent variable is ____ and the dependent variable is ____.
A) subjects; control group
B) experimental group; concentration
C) exercise; concentration
D) concentration; exercise

Question

Quizplus · Accepted Answer

The independent variable is what is being manipulated, which in this case is exercise. The dependent variable is the outcome being measured, which is concentration. Therefore, the correct answer is C.

Alfredo Is Conducting an Experiment on the Effects of Exercise