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Cross-cultural adaptation, validity and reliability of the Turkish version of the Cognitive Functioning
Nisa Türütgen1, İsmail Okur1, Aylin Aydoğdu Delibay1
1Department of Physiotherapy and Rehabilitation, Faculty of Health Science, Kutahya Health Sciences University, Kutahya, Turkey.
Abstract:
The Cognitive Functioning Self-Assessment Scale (CFSS) is a scale that enables individuals to assess their subjective cognitive performance. The study aimed to cross-culturally adapt the CFSS to Turkish (CFSS-TR) and prove its psychometric properties. The study included 180 community-dwelling adults over 18 years of age with no psychological or neurological disorders. Participants were assessed using the CFSS-TR, Hospital Anxiety Depression Scale (HADS), and the Cognitive Failures Questionnaire (CFQ) via online survey. Two weeks later, the CFSS-TR was taken from the participants for the second time. The mean age of the individuals was 41.06 ± 13.34 years. The CFSS-TR had good test-retest reliability (ICC: 0.84, CI 95%: 0.78-0.88) and good internal consistency (α = 0.88). The standard error of measurement (SEM) and the 95% confidence interval minimal detectable change (MDC95) values for the total score were 0.11 and 0.30, respectively. CFSS-TR had a strong correlation with CFQ, moderate correlation with HADS depression subscore, and weak correlation with HADS anxiety subscore (respectively r = 0.71, r = 0.52, r = 0.39, p < 0.001). CFSS-TR is a reliable and valid questionnaire for self-assessment of cognitive function in Turkish-speaking community-dwelling adults.
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