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) dependent
B) control
C) independent
D) hypothetical

Question

Quizplus · Accepted Answer

The dependent variable is the variable that is being observed for any possible effects. It is dependent on the independent variable, which is the variable being manipulated by the researcher. The control variable is a variable that is kept constant throughout the experiment to ensure that any changes in the dependent variable are due to the manipulation of the independent variable. The hypothetical variable is not a commonly used term in the context of scientific research.

In an Experiment, a Researcher Manipulates One Variable to See