Multiple Sclerosis (MS) is one of the most common neurological disorders, and it has a wide effect on performance. MS affects higher cognitive functions, interfering with independence and participation. The Executive Function Performance Test (EFPT) is a functional test that assesses executive function in performance. This study aims to translate and prepare a preliminary version of EFPT, assess its face and content validity, and examine inter-rater and intra-rater reliability and internal consistency.
Methods:
The English version of EFPT was translated into Persian using the IQOLA standard method. To assess face validity, participants evaluated the test’s appearance and functionality. The content validity ratio and index were analyzed using the Lawshe method. For reliability assessment, 30 individuals with MS were evaluated over a 2-week interval, and agreement between the two therapists was also examined.
Results:
The results showed the range of ICC in each category of the EFPT questionnaire between two examiners, between 0.964 and 0.998, and intra-rater, between 0.758 and 0.872. In test-retest reliability, each score’s ICC was between 0.877 and 0.977. Cronbach’s alpha was more than 0.7 for all items.
Conclusion:
The results showed that the Persian version of EFPF was properly valid and reliable for participants with MS.
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