COSMIN methodology for evaluating the content validity of patient-reported outcome measures: a Delphi study.

ABSTRACT: BACKGROUND:Content validity is the most important measurement property of a patient-reported outcome measure (PROM) and the most challenging to assess. Our aims were to: (1) develop standards for evaluating the quality of PROM development; (2) update the original COSMIN standards for assessing the quality of content validity studies of PROMs; (3) develop criteria for what constitutes good content validity of PROMs, and (4) develop a rating system for summarizing the evidence on a PROM's content validity and grading the quality of the evidence in systematic reviews of PROMs. METHODS:An online 4-round Delphi study was performed among 159 experts from 21 countries. Panelists rated the degree to which they (dis)agreed to proposed standards, criteria, and rating issues on 5-point rating scales

SUBMITTER: Terwee CB 

PROVIDER: S-EPMC5891557 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature