The criteria that we use to judge things are always "reference points".
For example, let's say when you see the patient's body who is receiving Western medical treatment, and as a result of the treatment, reference points show "getting better" direction, you can judge that the Western medical treatment is effective for the patient.
On the other hand, even if the patient received the treatment having a good reputation, and when you examine the patient's body after the treatment, the reference points show "getting worse", you have to judge the treatment was ineffective for the patient, even though the treatment was performed by a famous master. This evaluation applies to not only manipulation treatment, but also medications such as Chinese herbs as well. We judge the effectiveness of the treatment by changes of reference points. This is the only scale to evaluate everything, not anything else.
*This article is translated from Japanese Shakuju association blog.