All of the following are experimental design elements EXCEPT for the ____.
A)selection and assignment of subjects to treatments
B)control over extraneous variables
C)manipulation of the independent variable
D)manipulation of the dependent variable

Question

Quizplus · Accepted Answer

The manipulation of the dependent variable is not an experimental design element, as it is a measure or outcome that is being observed or measured in response to the independent variable manipulation. The other answer choices (selection and assignment of subjects to treatments, control over extraneous variables, and manipulation of the independent variable) are all important experimental design elements that are essential for ensuring the internal validity of the study.

All of the Following Are Experimental Design Elements EXCEPT for the ____