A researcher wants to know whether eating chocolate makes people nervous. The amount of chocolate eaten:
A) would be a placebo.
B) would be a dependent variable.
C) would be an independent variable.
D) may be either an independent or dependent variable.

Question

Quizplus · Accepted Answer

The amount of chocolate eaten is being manipulated by the researcher, which makes it the independent variable in the experiment. The researcher wants to see how the amount of chocolate affects people's level of nervousness, which is the dependent variable.

A Researcher Wants to Know Whether Eating Chocolate Makes People