Exploring the content validity of the Chalder Fatigue Scale using cognitive interviewing in an ME/CFS population
(2024)
Journal Article
Background
The Chalder Fatigue Scale, also known as the Chalder Fatigue Questionnaire (CFQ) is a Patient Reported Outcome Measure (PROM) comprising 11 items designed to measure physical and cognitive fatigue. It is widely used with people with myalg...
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