Andrea Bialocerkowski|Peter Bragge
Measurement error and reliability testing: Application to rehabilitation
University of Melbourne|University of Melbourne
aims effective measurement clinical outcomes dependent reliable outcome instruments measurement error reliability testing fundamental underpinnings reliability article defi nes illustrates sources measurement error outlines strategies error minimization gives overview types reliability studies content two main sources measurement error systematic bias random error discussed three major types reliability evaluation illustrated testretest intrarater interrater reliability relationship reliability validity explained discussion conclusions quantifi cation measurement error integral determining true effect therapy quantifi ed outcome measurement interpretation reliability data involves consideration many factors including demographic diagnostic clinical characteristics study sample