All of the following are experimental design issues EXCEPT:
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

Manipulation of the dependent variable is not an experimental design issue as the dependent variable is the outcome measure that is being observed and measured, not manipulated. The other options, selection and assignment of subjects to treatments, control over extraneous variables, and manipulation of the independent variable, are all key experimental design issues.

All of the Following Are Experimental Design Issues EXCEPT