A researcher is investigating the effects of exercise on weight. What are the independent and dependent variables in this experiment?
A) The dependent variable is weight; the independent variable is exercise.
B) The independent variable is calories consumed; the dependent variable is diet.
C) The independent variable is weight; the dependent variable is calories consumed.
D) The dependent variable is amount of exercise; the independent variable is calories consumed.

Question

A researcher is investigating the effects of exercise on weight. What are the independent and dependent variables in this experiment?
A) The dependent variable is weight; the independent variable is exercise. 
B) The independent variable is calories consumed; the dependent variable is diet.
C) The independent variable is weight; the dependent variable is calories consumed.
D) The dependent variable is amount of exercise; the independent variable is calories consumed.

Quizplus · Accepted Answer

In this experiment, the researcher is investigating the effects of exercise on weight, therefore weight is the dependent variable, as it is the variable being measured. Exercise is the independent variable, as it is being manipulated or changed in order to observe its effect on weight. The other options listed do not accurately reflect the variables being investigated in the experiment.

A Researcher Is Investigating the Effects of Exercise on Weight