CHIEF Environmental Barriers
The Craig Hospital Inventory of Environmental Factors, known as CHIEF, is a self-report instrument that quantifies the environmental barriers people with disabilities encounter in daily life. Developed by Whiteneck and colleagues in 2004, it operationalizes the environmental-factors component of the WHO ICF, which holds that disability arises from the interaction between a person and their surroundings rather than from impairment alone. CHIEF asks respondents about barriers across five domains — physical and structural, attitudinal and support, services and assistance, productivity, and policy — and for each potential barrier it captures two things: how often the barrier is encountered (frequency) and how big a problem it is when encountered (magnitude). The defining feature of the instrument is that these two ratings are multiplied into a frequency-by-magnitude product, so that a barrier counts for more if it is both common and serious. These products are averaged into domain scores and an overall score, giving a quantitative profile of the environmental obstacles a person faces.
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- Whiteneck, G. G., Harrison-Felix, C. L., Mellick, D. C., Brooks, C. A., Charlifue, S. B., & Gerhart, K. A. (2004). Quantifying environmental factors: a measure of physical, attitudinal, service, productivity, and policy barriers. Archives of Physical Medicine and Rehabilitation, 85(8), 1324-1335. · DOI 10.1016/j.apmr.2003.09.027
- World Health Organization. (2001). International Classification of Functioning, Disability and Health: ICF. Geneva: WHO. · ISBN 9789241545426
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