Updating the OMERACT Filter: Implications of Filter 2.0 to Select Outcome Instruments Through Assessment of "Truth": Content, Face and Construct Validity

P. Tugwell^*, M. Boers, M.A. D'Agostino, D. Beaton, A. Boonen, C.O. Bingham III, E. Choy, P.G. Conaghan, M. Dougados, C. Duarte, D.E. Furst, F. Guillemin, L. Gossec, T. Heiberg, D.M. van der Heijde, S. Hewlett, J.R. Kirwan, T.K. Kvien, R.B. Landewé, P.J. MeaseM. Ostergaard, L. Simon, J.A. Singh, V. Strand, G. WellsShow 5 moreShow less