In the Exemplar Study About Pain Relief During Intravenous Cannula

Multiple Choice

In the exemplar study about pain relief during intravenous cannula insertion in children (Canbulat, 2015) , why did the researchers obtain a pre-procedure, self-report anxiety score?

A) So they could compare it to the score after the procedure
B) To be sure both treatment groups were similar before the procedure
C) To reduce the child's anxiety level
D) To give the child practice in self-reporting anxiety after the procedure