Development and assessment of floor and ceiling items for the PROMIS physical function item bank


INTRODUCTION Disability and Physical Function (PF) outcome assessment has had limited ability to measure functional status at the floor (very poor functional abilities) or the ceiling (very high functional abilities). We sought to identify, develop and evaluate new floor and ceiling items to enable broader and more precise assessment of PF outcomes for the… (More)
DOI: 10.1186/ar4327


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