title: Group psychotherapy outcome research: problems and prospects of a first-year project.
mesh_terms: D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D009042:Motivation; D009497:Neurotic Disorders / Q000628:therapy; D009769:Object Attachment; D010044:Outpatient Clinics, Hospital; D010554:Personality Disorders / Q000628:therapy; D011615:Psychotherapy, Group; D011616:Psychotherapy, Multiple; D012106:Research; D012647:Self-Assessment; D013997:Time Factors; D014705:Verbal Behavior