title: Use of an analysis of variance technique for investigating the differential diagnosis of organic versus functional involvement of symptoms.
mesh_terms: D000704:Analysis of Variance; D003376:Counseling; D003937:Diagnosis, Differential; D006801:Humans; D007600:Judgment; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis*; D008875:Middle Aged; D019965:Neurocognitive Disorders / Q000175:diagnosis; D011586:Psychology, Clinical; D011594:Psychometrics