In a typically constructed research study, the experimental group is selected:
A. after selecting the control group.
B. systematically.
C. through random selection.
D. from a separate pool than is the control group.

Respuesta :

s93101

Answer:

D. from a separate pool than is the control group.

Explanation:

in the picture the person answers is backwards but...

hope this helps have a nice day

Ver imagen s93101
Ver imagen s93101