In Order to Ensure That Experimental and Control Groups Are

In order to ensure that experimental and control groups are similar before the experiment begins, social scientists do all of the following EXCEPT:

A) pair subjects who are identical on relevant variables and assign one to the control group and one to the experimental group.
B) create groups that are equivalent in terms of their averages on some relevant variables.
C) randomly assign subjects to the experimental and control groups.
D) create groups that match subjects on relevant variables.
E) put all subjects who are similar on relevant variables in the same group.