Chalder Fatigue Scale.
CFQ-11
Physical and mental fatigue (severity over recent weeks); often used as a total fatigue score
- Provisionally grouped under
- Length and format
- 11 (original 14). 4-point (better than usual to much worse than usual); Likert 0-3 or bimodal 0/0/1/1 scoring (self-report questionnaire)
- Language versions
- Many languages (widely used in CFS/ME and general populations)
- Licence
- open with attribution
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- Reference
- Chalder, T., et al. (1993). Development of a fatigue scale. Journal of Psychosomatic Research, 37(2), 147-153.
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