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	Scala Lawton-Brody delle Attività Strumentali della Vita Quotidiana (IADL)	Zarit Caregiver Burden Interview (ZBI)
Campo	Scienze infermieristiche	Scienze infermieristiche
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1969	1980
Ideatore	M. Powell Lawton	Steven H. Zarit
Tipo	Clinician-rated or interview-based functional assessment	Caregiver self-report interview
Fonte seminale	Lawton, M. P., & Brody, E. M. (1969). Assessment of older people: Self-maintaining and instrumental activities of daily living. Gerontologist, 9(3), 179-186.	Zarit, S. H., Reever, K. E., & Bach-Peterson, J. (1980). Relatives of the impaired elderly: Correlates of feeling burdened. Gerontologist, 20(6), 649-655.
Alias	IADL Scale, Lawton IADL, Instrumental Activities of Daily Living	ZBI, Zarit Burden Interview, Caregiver Burden Scale
Correlati	3	3
Sintesi	The Lawton-Brody Instrumental Activities of Daily Living (IADL) Scale, developed by M. Powell Lawton and Elaine M. Brody in 1969, measures the capacity to perform complex, higher-order self-care and household tasks necessary for independent community living. The scale assesses eight domains (for women) or five domains (for men): telephone use, shopping, food preparation, housekeeping, laundry, transportation, medication management, and financial management. It complements basic ADL assessment (measured by the Katz Index) and is essential for comprehensive geriatric evaluation.	The Zarit Caregiver Burden Interview, developed by Steven H. Zarit and colleagues in 1980, is a widely used assessment tool designed to quantify the subjective burden experienced by informal caregivers of persons with dementia or other chronic illnesses. The 22-item instrument measures emotional, financial, and physical strain related to caregiving and has become a standard in geriatric, gerontology, neurology, and behavioral health settings worldwide.