I'm confused as to why they removed that 7%. Are they or are they not trying to test the effect of advisement? If that really was the goal, then the veracity of

I'm confused as to why they removed that 7%. Are they or are they not trying to test the effect of advisement? If that really was the goal, then the veracity of replies wouldn't matter, and the study would make sense - but then they also wouldn't have omitted that 7%.