Posterior Predictive Model Checking for Multidimensionality in Item Response Theory IRT PPMC
- Author(s):
- Levy, Roy; Mislevy, Robert J.; Sinharay, Sandip
- Publication Year:
- 2009
- Source:
- Applied Psychological Measurement, v33 n7 p519-537, Oct 2009
- Document Type:
- Article
- Page Count:
- 19
- Subject/Key Words:
- Item Response Theory (IRT), Posterior Predictive Model Checking (PPMC) Method, Multidimensionality, Local Independence, Conditional Covariance Theory