Multiple Choice
The BEST definition of an independent variable is a _____. 
A) measurable behavior that is exhibited by a participant and is affected by the dependent variable
B) variable that is manipulated by the experimenter to determine its causal effect on the dependent variable
C) variable that is kept constant during an experiment to prevent contamination of other variables
D) variable that cannot be manipulated by anyone
Correct Answer:
Verified
Correct Answer:
Verified
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