Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
The dependent variable is the variable in an experiment that is being measured or observed. It is the outcome or result that may change depending on the manipulation of the independent variable.
The independent variable is the variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.
Control Variable: A control variable is a factor in an experiment that remains constant and does not change, ensuring that any observed effects are due to changes in the independent variable.
Experimental Group: The experimental group refers to a group of subjects or participants in an experiment who are exposed to the independent variable being tested.