Purpose To develop a set of consensus and empirically based reporting recommendations
for primary studies of the measurement properties of patient-reported outcome measures …

Purpose Systematic reviews of patient-reported outcome measures (PROMs) differ from
reviews of interventions and diagnostic test accuracy studies and are complex. In fact …

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 …

The COSMIN Study Design checklist is recommended for designing studies to evaluate
measurement properties of existing patient-reported outcome measures (PROMs). It can be …

Abstract Purpose The original COnsensus-based Standards for the selection of health
Measurement INstruments (COSMIN) checklist was developed to assess the methodological …

Abstract Background The COSMIN checklist (COnsensus-based Standards for the selection
of health status Measurement INstruments) was developed in an international Delphi study …

Research performed with outcome measurement instruments of poor or unknown quality
constitutes a waste of resources and is unethical (3). Unfortunately this practice is …

Background The COSMIN checklist is a tool for evaluating the methodological quality of
studies on measurement properties of health-related patient-reported outcomes. The aim of …

Content validity is the most important measurement property of a patient-reported outcome
measure (PROM). The aim of this document is to explain how the content validity of PROMs …

OBJECTIVE: Lack of consensus on taxonomy, terminology, and definitions has led to
confusion about which measurement properties are relevant and which concepts they …