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

Quizplus · Accepted Answer

In this experiment, the independent variable is exercise, as it is the variable that is being deliberately manipulated by the researcher. The dependent variable is weight, as this is the variable that is expected to be affected by the level of exercise. The other answer choices either incorrectly identify the variables or include irrelevant variables.

A Researcher Is Investigating the Effects of Exercise on Weight