title: Prediction by multiple regression how many variables to enter?
mesh_terms: D002986:Clinical Trials as Topic; D005163:Factor Analysis, Statistical; D006801:Humans; D008884:Milieu Therapy; D011336:Probability; D011379:Prognosis; D011569:Psychiatric Status Rating Scales; D012559:Schizophrenia / Q000175:diagnosis / Q000628:therapy*