I believe there a number of reasons that Dr. Oughtred’s approach works. The first is an approach that goes beyond the “numbers” of losing weight. It is critical to see the real goals which go far beyond achieving a target weight. Another positive factor is the heavy education component to help you understand what you are doing, what works and how to deal with challenges that always arise.
I also believe the commitment to participate for a minimum of a year is a key. I have lost weight in previous times but there was not this level of support (or education) after the “goal weight” was achieved.
Finally the individual attention is important to get the encouragement and “push” required to treat the cause of my weight gain and be successful.