1. Data, model, conclusion, doing it again

   • Ivo W. Molenaar

   OriginalPaper Pages: 315 - 340

2. Graph-theoretic representations for proximity matrices through strongly-anti-Robinson or circular strongly-anti-Robinson matrices

   • Lawrence Hubert
   • Phipps Arabie
   • Jacqueline Meulman

   OriginalPaper Pages: 341 - 358

3. Conditions for factor (in)determinacy in factor analysis

   • Wim P. Krijnen
   • Theo K. Dijkstra
   • Richard D. Gill

   OriginalPaper Pages: 359 - 367

4. Covariance structure analysis of ordinal ipsative data

   • Wai Chan
   • Peter M. Bentler

   OriginalPaper Pages: 369 - 399

5. Observed-score equating as a test assembly problem

   • Wim J. van der Linden
   • Richard M. Luecht

   OriginalPaper Pages: 401 - 418

6. Mixtures of (constrained) ultrametric trees

   • Michel Wedel
   • Wayne S. DeSarbo

   OriginalPaper Pages: 419 - 443

7. Program of the 63rd Annual Meeting of the Psychometric Society

   Report Pages: 445 - 450

8. Minutes of the Psychometric Society Business Meeting June 19, 1998

   Report Pages: 451 - 452