text: The<unk>  or the<unk>  is a medical<unk>  used for measuring symptom severity of patients with schizophrenia.  It is widely used in the study of antipsychotic therapy.  The name refers to the two types of symptoms in schizophrenia, as defined by the American Psychiatric Association:<unk>  symptoms, which refer are an excess or distortion of normal functions, and<unk>  symptoms, which represent a dimunition or loss of normal functions.
option_0: Positive and Negative Syndrome Scale
option_1: Epworth Sleepiness Scale
option_2: Structured Clinical Interview for DSM-IV
option_3: Mini mental state examination
option_4: Applied behavior analysis
option_5: Abbreviated mental test score
option_6: Yale-Brown obsessive compulsive scale
option_7: Cognitive neuropsychology