In an experiment, a researcher manipulates one variable to see how it affects a second variable. The manipulated variable is called the __________ variable.
A) dependent
B) control
C) independent
D) hypothetical

Question

Quizplus · Accepted Answer

The independent variable is the variable that the researcher manipulates or changes in order to see how it affects the dependent variable. The dependent variable is the variable that is measured to see how it is affected by the independent variable. The control variable is a variable that is kept constant in order to prevent it from affecting the results but is not the manipulated variable. A hypothetical variable is a theoretical construct that is not directly observable.

In an Experiment, a Researcher Manipulates One Variable to See