1. Editorial

   • Kazuo Shigemasu

   EditorialNotes 15 June 2006 Pages: 1 - 2

2. Approximations to the Distribution of the Sample Coefficient Alpha Under Nonnormality

   • Haruhiko Ogasawara

   OriginalPaper 15 June 2006 Pages: 3 - 26

3. Fixed Effects IRT Model

   • Jean-Paul Fox
   • Jonald Pimentel
   • Cees Glas

   OriginalPaper 15 June 2006 Pages: 27 - 42

4. Avoiding Boundary Estimates in Latent Class Analysis by Bayesian Posterior Mode Estimation

   • Francisca Galindo Garre
   • Jeroen K. Vermunt

   OriginalPaper 15 June 2006 Pages: 43 - 59

5. Bootstrap Fit Testing, Confidence Intervals, and Standard Error Estimation in the Factor Analysis of Polychoric Correlation Matrices

   • Guangjian Zhang
   • Michael W. Browne

   OriginalPaper 15 June 2006 Pages: 61 - 74

6. Item Response Theory: Past Performance, Present Developments, and Future Expectations

   • Klaas Sijtsma
   • Brian W. Junker

   OriginalPaper 15 June 2006 Pages: 75 - 102