An independent variable is _____.
A) the measured variable that may change depending upon manipulation of a dependent variable.
B) any unmeasured variable that is uncontrolled within the context of the experiment.
C) the variable that is intentionally manipulated by the researcher.
D) an external variable that cannot be controlled by the researcher.

Question

Quizplus · Accepted Answer

An independent variable is the variable that is intentionally manipulated by the researcher. It is an experimental variable that is under the control of the researcher and is used to determine the effect on the dependent variable of interest. Choices A, B, and D are incorrect because they do not accurately or completely describe the nature or function of an independent variable.

An Independent Variable Is _____