Take the following as truth: 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.
Then the following statement: "He observed that in the randomized trials of interventions that used motivational interviewing, we can't see how skilled the counselors are because the conversations are private." is true, false, or inconclusive?
Answer: Inconclusive