Psychologists : Search for experts , teachers backed by research and formal training . Some programs do n't screen for factors that might make someone ill - suited , he says . ` ` The ' '' user : You in my life are all the proof I need that it works .
Psychologists : Look for authors , teachers backed by research and formal training . Some programs do n't screen for conditions that might make someone ill-suited , expert says . `` The Secret '' user : Changes in my life are all the proof I need that it works .