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Protocol of the COSMIN study: COnsensus-based Standards for the selection of health Measurement Instruments

Show simple item record Mokkink, L. B. en_US Terwee, C. B. en_US Knol, D. L. en_US Stratford, P. W. en_US Alonzo, J. en_US Patrick, Donald L. en_US Bouter, L. M. en_US De Vet, H. C. W. en_US 2010-05-06T20:03:03Z 2010-05-06T20:03:03Z 2006 en_US
dc.identifier.citation Mokkink LB, Terwee CB, Knol DL, et al. Protocol of the COSMIN study: COnsensus-based Standards for the selection of health Measurement INstruments. BMC Medical Research Methodology. 2006;6(1):2. en_US
dc.identifier.other 10.1186/1471-2288-6-2 en_US
dc.identifier.uri en_US
dc.description.abstract Background: Choosing an adequate measurement instrument depends on the proposed use of the instrument, the concept to be measured, the measurement properties (e.g. internal consistency, reproducibility, content and construct validity, responsiveness, and interpretability), the requirements, the burden for subjects, and costs of the available instruments. As far as measurement properties are concerned, there are no sufficiently specific standards for the evaluation of measurement properties of instruments to measure health status, and also no explicit criteria for what constitutes good measurement properties. In this paper we describe the protocol for the COSMIN study, the objective of which is to develop a checklist that contains COnsensus-based Standards for the selection of health Measurement INstruments, including explicit criteria for satisfying these standards. We will focus on evaluative health related patient-reported outcomes (HR-PROs), i.e. patient-reported health measurement instruments used in a longitudinal design as an outcome measure, excluding health care related PROs, such as satisfaction with care or adherence. The COSMIN standards will be made available in the form of an easily applicable checklist. Method: An international Delphi study will be performed to reach consensus on which and how measurement properties should be assessed, and on criteria for good measurement properties. Two sources of input will be used for the Delphi study: (1) a systematic review of properties, standards and criteria of measurement properties found in systematic reviews of measurement instruments, and (2) an additional literature search of methodological articles presenting a comprehensive checklist of standards and criteria. The Delphi study will consist of four (written) Delphi rounds, with approximately 30 expert panel members with different backgrounds in clinical medicine, biostatistics, psychology, and epidemiology. The final checklist will subsequently be field-tested by assessing the inter-rater reproducibility of the checklist. Discussion: Since the study will mainly be anonymous, problems that are commonly encountered in face-to-face group meetings, such as the dominance of certain persons in the communication process, will be avoided. By performing a Delphi study and involving many experts, the likelihood that the checklist will have sufficient credibility to be accepted and implemented will increase. en_US
dc.description.sponsorship This study is financially supported by the Institute for Research in Extramural Medicine (EMGO Institute), VU University Medical Center, Amsterdam. en_US
dc.language.iso en_US en_US
dc.title Protocol of the COSMIN study: COnsensus-based Standards for the selection of health Measurement Instruments en_US
dc.type Article en_US

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