Since random assignment cannot be applied to observational groups,observational independent variables will always be _____ with all other variables that are naturally related to them.
A)related
B)confounded
C)matched
D)none of these

Question

Quizplus · Accepted Answer

Observational independent variables will always be confounded with all other variables that are naturally related to them because there is no control over the assignment of participants to groups. Confounding occurs when the effects of two variables are mixed in such a way that it is not possible to determine which variable is causing the observed effect. This is a common problem in observational studies and highlights the importance of careful design and analysis of such studies.

Since Random Assignment Cannot Be Applied to Observational Groups,observational Independent