[Content validity and inter-rater reliability of the Cognitive Fluctuation Inventory]
Mamoru Hashimoto1, Yuta Manabe, Etsuro Mori
1Department of Neuropsychiatry, Faculty of Life Sciences, Kumamoto University.
Brain and Nerve = Shinkei Kenkyu No Shinpo
|February 14, 2014
Summary
The Cognitive Fluctuation Inventory (CFI) demonstrates good content validity and inter-rater reliability for assessing cognitive fluctuation in dementia with Lewy bodies (DLB) patients.
Area of Science:
- Neurology
- Psychometrics
Background:
- Cognitive fluctuation is a key symptom in dementia with Lewy bodies (DLB).
- The Cognitive Fluctuation Inventory (CFI) was developed to specifically evaluate this symptom.
Purpose of the Study:
- To assess the content validity of the CFI.
- To determine the inter-rater reliability of the CFI in DLB patients.
Main Methods:
- Nine DLB specialists evaluated the CFI's relevance and comprehensibility.
- Inter-rater reliability was measured using the intraclass correlation coefficient (ICC) with data from 29 patients and caregivers.
Main Results:
- All specialists found the CFI relevant for assessing cognitive fluctuation in DLB.
- Eight of nine specialists deemed the CFI comprehensive.
- The CFI achieved an ICC of 0.746, indicating good inter-rater reliability.
Conclusions:
- The CFI exhibits strong content validity for evaluating cognitive fluctuation in DLB.
- The CFI demonstrates good inter-rater reliability, supporting its use in clinical settings for DLB.
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