title: Psychotherapy and the sense of mastery.
mesh_terms: D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006040:Goals; D006801:Humans; D007389:Internal-External Control; D009042:Motivation; D010919:Placebos; D011613:Psychotherapy; D012649:Self Concept; D013637:Tape Recording
chemical_list: D010919:Placebos