4Reise SP, Waller NG. Fitting the two-parameter model to personality data. Applied Psychological Measurement, 1990,14 : 45-58.
5Osgood DW, McMorris B J, Potenza MT. Analyzing multiple-item measures of crime and deviance I: Item Response Theory Scaling. Journal of Quantitative Criminology ,2002,18 : 267-296.
6Landrum MB, Bronskill SE, Normand SL. Analytic methods for con- structing cross-sectional profiles of health care providers. Health Serv- ices Research and Outcomes Methodology ,2000,1 : 23-47.
7Shwartz M,Ren J, Pekoz EA, et al. Estimating a composite measure of hospital quality from the Hospital Compare database : differences when using a Bayesian hierarchical latent variable model versus de- nominator-based weights. Med Care,2008,46 : 778-785.
8Rollow W, Lied TR, McGann P, et al. Assessment of the Medicare quality improvement organization program. Ann Intern Med, 2006, 145 : 342-353.
9Williams SC, Koss RG, Morton DJ, Loeb JM. Performance of top- ranked heart care hospitals on evidence-based process measures. Cir- culation ,2006,114 : 558-564.
