Tam H. Nguyen|Hae Ra Han|Miyong T. Kim|Kitty S. Chan
An Introduction to Item Response Theory for Patient-Reported Outcome Measurement
Boston College|Johns Hopkins University|The University of Texas at Austin|Bloomberg (United States)|Johns Hopkins University
growing emphasis patientcentered care accelerated demand highquality data patientreported outcome pro measures traditionally development validation measures guided classical test theory however item response theory irt alternate measurement framework offers promise addressing practical measurement problems found healthrelated research difficult solve classical methods paper introduces foundational concepts irt well commonly used models assumptions existing data combined sample n 636 korean american vietnamese american adults responded high blood pressure health literacy scale patient health questionnaire9 used exemplify typical applications irt examples illustrate irt used improve development refinement evaluation pro measures greater use methods based framework increase accuracy efficiency pros measured