4Hu L-T,Bentler PM. Cut-off criteria for fit indexes in covariance structure modelling:conventional criteria versus new alternatives[J].Struct Equation Modeling:A Multidisciplinary J,1999.1-55.
5Van der Vleuten CP,Schuwirth LW. Assessing professional competence:from methods to programmes[J].Medical Education,2005,(03):309-317.