Independent Variable

By Renée Grinnell

The variable whose value is manipulated in a quantitative scientific experiment. Changes in the independent variable cause changes in the dependent variable.

Example: For workers who are paid by the hour, time worked is the independent variable, because their pay depends on the number of hours worked.


    Last reviewed: By John M. Grohol, Psy.D. on 21 Jan 2009

 

 
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