Item response theory facilitated cocalibrating cognitive tests and reduced bias in estimated rates of decline.

Abstract

OBJECTIVE To cocalibrate the Mini-Mental State Examination, the Modified Mini-Mental State, the Cognitive Abilities Screening Instrument, and the Community Screening Instrument for Dementia using item response theory (IRT) to compare screening cut points used to identify cases of dementia from different studies, to compare measurement properties of the… (More)
DOI: 10.1016/j.jclinepi.2007.11.011

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