> The correct procedure has been observed to work, but not everything that is observed to work is correct. Procedures are neither correct nor incorrect but rat

> The correct procedure has been observed to work, but not everything that is observed to work is correct. Procedures are neither correct nor incorrect but rather effective or ineffective. Whether the explanation is correct or incorrect is irrelevant if the procedure is effective. Of course we would prefer to have both the effective procedure and the correct explanation but if we insist on only applying procedures with correct explanations we are not doing the best we can. So, I would extend the proper response to, "This tends to work, we don't know why, but you should try it."