Validating scale measurement credibility
Scores range from 0-12 with higher scores indicating higher levels of anhedonia.
For persons with schizophrenia, this scale can also be used as a measure of negative symptoms.
It distinguishes 6 different risk levels (a score of 6 represents the highest level of risk).
The Cognitive Performance Scale (CPS) combines information on memory impairment, level of consciousness, and executive function, with scores ranging from 0 (intact) to 6 (very severe impairment).