PT - JOURNAL ARTICLE AU - Peter Tugwell AU - Maarten Boers AU - Maria-Antonietta D’Agostino AU - Dorcas Beaton AU - Annelies Boonen AU - Clifton O. Bingham III AU - Ernest Choy AU - Philip G. Conaghan AU - Maxime Dougados AU - Catia Duarte AU - Daniel E. Furst AU - Francis Guillemin AU - Laure Gossec AU - Turid Heiberg AU - Désirée M. van der Heijde AU - Sarah Hewlett AU - John R. Kirwan AU - Tore K. Kvien AU - Robert B. Landewé AU - Philip J. Mease AU - Mikkel Østergaard AU - Lee Simon AU - Jasvinder A. Singh AU - Vibeke Strand AU - George Wells TI - Updating the OMERACT Filter: Implications of Filter 2.0 to Select Outcome Instruments Through Assessment of “Truth”: Content, Face, and Construct Validity AID - 10.3899/jrheum.131310 DP - 2014 Apr 01 TA - The Journal of Rheumatology PG - jrheum.131310 4099 - http://www.jrheum.org/content/early/2014/03/26/jrheum.131310.short 4100 - http://www.jrheum.org/content/early/2014/03/26/jrheum.131310.full AB - Objective The Outcome Measures in Rheumatology (OMERACT) Filter provides guidelines for the development and validation of outcome measures for use in clinical research. The “Truth” section of the OMERACT Filter requires that criteria be met to demonstrate that the outcome instrument meets the criteria for content, face, and construct validity. Methods Discussion groups critically reviewed a variety of ways in which case studies of current OMERACT Working Groups complied with the Truth component of the Filter and what issues remained to be resolved. Results The case studies showed that there is broad agreement on criteria for meeting the Truth criteria through demonstration of content, face, and construct validity; however, several issues were identified that the Filter Working Group will need to address. Conclusion These issues will require resolution to reach consensus on how Truth will be assessed for the proposed Filter 2.0 framework, for instruments to be endorsed by OMERACT.