An example of a manipulated independent variable would be
A) IQ
B) income level
C) amount of education
D) none of these

Question

Quizplus · Accepted Answer

None of these options are manipulated independent variables. IQ, income level, and amount of education are all pre-existing characteristics of individuals and cannot be manipulated by a researcher. A manipulated independent variable is intentionally changed by the researcher in order to observe its effect on the dependent variable.

An Example of a Manipulated Independent Variable Would Be