The frequent occurrence of desynchrony between psychiatric symptoms and disability
makes it necessary to measure disability/functional impairment in addition to psychiatric
symptoms when tracking treatment outcome. Existing disability measures in psychiatry are
comprehensive but lengthy. There is a need for short, simple, cost-effective, sensitive
measures of disability and functional impairment in psychiatric disorders. We developed a
discretized analog disability scale (DISS) which uses visual-spatial, numeric and verbal�…