The Measurement of Observer Agreement for Categorical Data

Resumo

This paper presentsa generalstatisticaml ethodologfyortheanalysisofmultivariatceategoricaldata arisingfromobservereliabilitystudies.The proceduressentiallyinvolvestheconstructionoffunctionsof theobservedproportionws hichare directedat theextenttowhichthe observerasgreeamongthemselveasnd theconstructioonf teststatisticfsorhypotheseisnvolving thesefunctionsT. estsforinterobservbeiras are presentedin termsoffirst-ordemrarginalhomogeneityandmeasuresofinterobservaegrreemenatredevelopedas generalizedkappa-typestatistics. Theseprocedureasreillustratewd itha clinicaldiagnosisexamplefromtheepidemiologicalilterature.