Cross-Cultural Adaptation and Validation of the Serbian Version of the Brief Assessment of Cognition in Schizophrenia Scale

Sanja Totic Poznanovic, Milos Markovic (), Milena Stasevic, Ivana Stasevic Karlicic and Milena Tomanic
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Sanja Totic Poznanovic: Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
Milos Markovic: Clinic for Mental Disorders “Dr Laza Lazarevic”, 11000 Belgrade, Serbia
Milena Stasevic: Clinic for Mental Disorders “Dr Laza Lazarevic”, 11000 Belgrade, Serbia
Ivana Stasevic Karlicic: Clinic for Mental Disorders “Dr Laza Lazarevic”, 11000 Belgrade, Serbia
Milena Tomanic: Institute of Hygiene and Medical Ecology, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia

IJERPH, 2023, vol. 20, issue 4, 1-10

Abstract: The Brief Assessment of Cognition in Schizophrenia (BACS) scale was developed for the assessment of cognitive function in patients with schizophrenia. The objective of this study was to cross-culturally adapt and validate the BACS in to the Serbian language. The study was conducted at the Laza Lazarevic Clinic for Mental Disorders and the Clinic for Psychiatry of the University Clinical Center of Serbia from March 2021 to January 2022. The study enrolled 61 inpatients diagnosed with schizophrenia and 61 healthy controls matched for age and sex. Compared with the healthy control group, the schizophrenia patient group had worse cognitive function in all dimensions measured using BACS ( p < 0.001 for all measures). The mean standardized composite BACS score was z = −2.46, and symbol coding (z = −2.54) was the most deficient function. Principal component analysis suggests a two-factor structure, where the first factor consisted of loading the measures of verbal and working memory, attention, speed of information processing, and executive function, while the second factor regarded the loading of motor speed. Cronbach’s alpha coefficient demonstrated an excellent level of internal consistency (0.798). These outcomes suggest that the Serbian BACS neurocognitive battery’s psychometric properties are satisfactory, with good overall discriminant validity and high internal consistency. The Serbian BACS appears to be a quick and reliable neuropsychological instrument for evaluating global cognition in schizophrenia patients in Serbia.

Keywords: Brief Assessment of Cognition in Schizophrenia scale; validation; cross-cultural adaptation; psychometric properties; schizophrenia (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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