Which of the Following Is NOT a Main Aim of Step

Which of the following is NOT a main aim of Step 5 in the EBP process?

A) To ascertain the effectiveness of an intervention using an approach intended to maximize internal validity.
B) To monitor whether the client achieves the desired outcome after the chosen intervention is implemented.
C) To ascertain whether the client appears to be among those people who don't benefit from the intervention.
D) To help determine whether you need to continue or alter the intervention in light of the degree of progress.