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Independent Variable Definition

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The independent variable is one changed in an experiment to test effects on the dependent variable.

The independent variable is one changed in an experiment to test effects on the dependent variable

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Definition: An independent variable is the variable that is changed in a scientific experiment.

Independent variables are the variables that the experimenter changes to test their dependent variable.

Common Misspellings: independant variable

Examples: A scientist is testing the effect of light and dark on the behavior of moths by turning a light on and off. The independent variable is the amount of light and the moth's reaction is the dependent variable.

A change in the independent variable directly causes a change in the dependent variable.

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