title: A comparison of a self-control and a contract procedure for weight control.
mesh_terms: D000293:Adolescent; D000328:Adult; D001288:Attention; D001521:Behavior Therapy; D001835:Body Weight; D004435:Eating; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009042:Motivation; D009747:Nutritional Physiological Phenomena; D009765:Obesity / Q000628:therapy*; D010919:Placebos; D012054:Reinforcement, Psychology
chemical_list: D010919:Placebos