Psychometric Characteristics of the Macedonian Version of Clinical Assessment Interview for Negative Symptoms (CAINS).

Background: Despite the importance of effective assessment and treatment of negative symptoms among patients with psychosis, no validated instruments are available in the Republic of North Macedonia. The aim of this paper was to explore psychometric properties, namely factorial structure, internal consistency, convergent and discriminant validity of the Clinical Assessment Interview for Negative Symptoms (CAINS).

Subjects And Methods: In this cross-sectional study 82 outpatients diagnosed with psychosis (64 with schizophrenia and 18 with bipolar disorder; female=34, mean age=41.