Stephen ilardi has developed training seminars promoting therapeutic lifestyle change. these seminars would likely be most effective in :

These seminars would likely be most effective in helping the CONCERNED TRAINEES TO COPE EFFECTIVELY WITH SEASONAL PATTERN FOR MAJOR DEPRESSIVE DISORDER. 
Therapeutic lifestyle change is a type of change that involves changing one lifestyle in term of the food, physical exercise, weight loss program, etc that one undergo in order to achieve a better healthy life. Therapeutic lifestyle changes help individuals to cope better with the issues of their lives.

The best sociological research method would have to be using experiments although it has some disadvantages as well