<span>-pair subjects who are identical on relevant variables and assign one to the control group and one to the experimental group
-create groups that are equivalent in terms of their averages on some relevant variables
-randomly assign subjects to the experimental and control groups
-match subjects on relevant variables
-(all of these choices)</span>
1 sediment is pushed by flowing water to the river’s edge
<span>There is a strong link between changes in the money supply and inflation
</span><span>C) in the long run, but not in the short run.</span>
Answer:
The answer is A. Subpoena
Explanation: