In an experiment, a researcher manipulates one variable to see how it affects a second variable. The second variable, which is observed for any possible effects, is called the ________ variable.
A) independent
B) dependent
C) control
D) hypothetical

Question

Quizplus · Accepted Answer

The dependent variable is the variable that is observed for any possible effects as a result of the manipulation of the independent variable. The independent variable is the variable that is manipulated by the researcher. The control variable is a variable that is held constant in order to ensure that any observed effects are due to the independent variable and not another variable. The hypothetical variable is not a commonly used term in experimental research.

In an Experiment, a Researcher Manipulates One Variable to See