Background The COSMIN checklist is a standardized tool for assessing the methodological
quality of studies on measurement properties. It contains 9 boxes, each dealing with one …

Abstract Changes in scores on health status questionnaires are difficult to interpret. Several
methods to determine minimally important changes (MICs) have been proposed which can …

A systematic review of measurement properties of health-status instruments is a tool for
evaluating the quality of instruments. Our aim was to appraise the quality of the review process, …

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

Background Aim of the COSMIN study (COnsensus-based Standards for the selection of
health status Measurement INstruments) was to develop a consensus-based checklist to …

OBJECTIVES: Recently, an increasing number of systematic reviews have been published
in which the measurement properties of health status questionnaires are compared. For a …

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

The success of the Apgar score demonstrates the astounding power of an appropriate clinical
instrument. This down-to-earth book provides practical advice, underpinned by theoretical …

Importance Cerebral amyloid-β aggregation is an early pathological event in Alzheimer
disease (AD), starting decades before dementia onset. Estimates of the prevalence of amyloid …

BACKGROUND: Reproducibility concerns the degree to which repeated measurements
provide similar results. Agreement parameters assess how close the results of the repeated …