[Comparison of scaling methods for activities of daily living in older people].
CONCLUSIONS: Polytomous items have greater reliability than the dichotomous ones. Simplest methods (Sum) and most complex (Rasch) are equally valid. Guttman method presented worse discriminatory capacity.
PMID: 30392648 [PubMed - as supplied by publisher]
Source: Gaceta Sanitaria - Category: International Medicine & Public Health Tags: Gac Sanit Source Type: research
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