William H. Batchelder

Link to Dr. Batchelder's Website at the University of California, Irvine.
Morning
  • Orientation
  •  Brief Review of MPT models 
    • Examples ABO Blood Group 
    •  Pair-clustering 
    •  Source monitoring 
  •  Binary MPT Model Specification 
    • Categories 
    • Parameters 
    • Tree Structure 
    • Computational Rules 
  • Critical Issues 
    • Model building is an art 
    • Validity 
    • Equivalence of Multi-link MPT and Binary MPT 
  • Brief Survey of MPT Modeling Areas 
    • Batchelder & Riefer (1999) and Erdfelder et al. (2009) 
    • In packets reference most MPT papers  
  • A String Language Representation of MPT Models 
    • String Axioms for Binary MPT 
    • Examples 
    • Order Constraints 
    • String Axioms for multi-link MPT
Afternoon
  • Orientation 
    • Inference policies 
    • Our earlier approach to inference 
  • Likelihood Functions 
    • One tree and many trees 
    • Maximizing the likelihood function 
    • Example pair-clustering model 
    • Data from clinical experiment with schizophrenics and alcoholics 
  • Bayesian Inference 
    • Priors, posteriors, and MCMC 
    • Advantages of Bayesian inference 
  • Testing for Heterogeneity 
    • Subject heterogeneity 
    • Both subject and item heterogeneity 
    • Tests on clinical experimental data 
  • Modeling Heterogeneity in Subjects 
    • Published approaches to subject heterogeneity 
    • Beta MPT models 
    • Application to clinical experiment and study time experiment 
  • Ideas for Modeling Heterogeneity in both Participants and Items 
    • Rasch model 
    • Spearman ideas 
    • Combining Rasch and Spearman
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