For three years at the houston veterans affairs medical center, dr. bruce moseley and many others conducted a fascinating study of the effectiveness of arthroscopic surgery for osteoarthritis of the knee. the most intriguing part of the experimental study comes from the fact that they randomized the patients into three groups, one of which was a placebo surgery (fake surgery). watch the six-minute video clip below and comment in your groups discussion board what impact this study made on your personal perception of the placebo effect.