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	Inventario Multidimensionale della Fatica (MFI-20)	Piper Fatigue Scale (PFS)
Campo	Infermieristica oncologica	Infermieristica oncologica
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1995	1989
Ideatore	Eva Smets	Barbara Piper
Tipo	Patient self-report five-dimensional fatigue inventory	Patient self-report multidimensional fatigue scale
Fonte seminale	Smets, E. M., Garssen, B., Bonke, B., & De Haes, J. C. (1995). The Multidimensional Fatigue Inventory (MFI-20): a short questionnaire for measuring fatigue. J Psychosom Res, 39(3), 315–325.	Piper, B. F., Dibble, S. L., Dodd, M. J., Weiss, M. C., Slater, G., & Paul, S. M. (1989). The revised Piper Fatigue Scale: psychometric evaluation in women with breast cancer. Oncol Nurs Forum, 16(6), 751–758.
Alias	MFI, MFI-20	PFS
Correlati	5	5
Sintesi	The Multidimensional Fatigue Inventory is a 20-item self-report instrument that comprehensively measures five distinct dimensions of fatigue: general fatigue, physical fatigue, reduced activity, reduced motivation, and mental fatigue. Developed by Smets and colleagues in 1995, the MFI-20 is grounded in a theoretical model distinguishing fatigue phenomenology from behavioral and cognitive consequences, making it particularly valuable for research examining fatigue mechanisms and interventions targeting specific fatigue dimensions.	The Piper Fatigue Scale is a 22-item multidimensional self-report instrument that evaluates cancer-related fatigue across four conceptually distinct domains: behavioral/severity, affective/meaning, sensory, and cognitive/mood. Developed by Barbara Piper and colleagues in 1989 and revised in 1998, the PFS is grounded in a theoretical model of fatigue mechanisms and is widely used in oncology research and clinical practice to assess treatment-related and disease-related fatigue.