Measuring negative symptom change in schizophrenia: considering alternatives to self-report

Treatment of negative symptoms in schizophrenia is a priority, but is approaching stagnation, due in part to the methods used to assess change in these symptoms. Traditional methods for assessing negative symptoms employ subjective self-report and/or clinician-rated scales, both of which are contaminated by considerable measurement error. The purpose of this article is to highlight the limitations in current assessment measures for negative …