In any case, he observed, even in the existing randomized trials of interventions that use motivational interviewing, we cannot evaluate the effect of counselors' skill levels.
He observed that in the randomized trials of interventions that used motivational interviewing, we can't see how skilled the counselors are.
mnli hypothesis: He observed that in the randomized trials of interventions that used motivational interviewing, we can't see how skilled the counselors are. premise: In any case, he observed, even in the existing randomized trials of interventions that use motivational interviewing, we cannot evaluate the effect of counselors' skill levels.