The experimental method rests heavily on the assumption that
A) two variables are positively correlated.
B) experimental and control groups are alike in all important matters except for the independent variable.
C) experimental and control groups are alike in all important matters except for the dependent variable.
D) the independent variable is quantifiable and measurable.

Question

Quizplus · Accepted Answer

The experimental method heavily relies on the assumption that experimental and control groups are alike in all important matters except for the independent variable. This allows for the researcher to attribute any observed differences in the dependent variable to the manipulation of the independent variable. The other answer choices are factors or considerations that may contribute to the validity and reliability of the experimental method, but they are not fundamental assumptions.

The Experimental Method Rests Heavily on the Assumption That