<prompt> All of the following are true about paranoid schizophrenia except -Most common type of schizophreniaOnset in 3rd 4th decadeDelusions of grandeurRapid deterioration of personality  <response>: Paranoid schizophrenia is the commonest type of schizophrenia in clinical practice. The onset is later 3rd - 4th decade. The core symptoms are delusions of persecution. Other types of delusions grandeur, reference, control, infidelity, double and hallucinations may also occur. There is minimal or no disturbance of affect, volition, speech, motor behavior, and personality. 