1. Marion Webster Richardson (1896–1965)

   • Maurice Lorr
   • Ruth Bishop Heiser

   Announcement Pages: 235 - 237

2. A strong true-score theory, with applications

   • Frederic M. Lord

   OriginalPaper Pages: 239 - 270

3. The connection between magnitude and discrimination scales and direct and indirect scaling methods

   • Hannes Eisler

   OriginalPaper Pages: 271 - 289

4. Obtaining maximum-likelihood estimates of factor loadings and communalities using an easily implemented iterative computer procedure

   • W. J. Hemmerle

   OriginalPaper Pages: 291 - 302

5. Generating multiple samples of multivariate data with arbitrary population parameters

   • Robert J. Wherry Sr.
   • James C. Naylor
   • Robert F. Fallis

   OriginalPaper Pages: 303 - 313

6. Another interpretation of a model for paired comparisons

   • Ralph A. Bradley

   OriginalPaper Pages: 315 - 318

7. A note on some modifications of latent roots and vectors

   • Desmond S. Cartwright

   OriginalPaper Pages: 319 - 321

8. A model for serial verbal learning

   • Ulara Kuno

   OriginalPaper Pages: 323 - 341

9. The average error of a learning model, estimation and use in testing the fit of models

   • Helena Chmura Kraemer

   OriginalPaper Pages: 343 - 352

10. Matrix formulas for part and partial correlation

    • Earl Jennings

    OriginalPaper Pages: 353 - 356

11. The approximate sampling distribution of Kuder-Richardson reliability coefficient twenty

    • Leonard S. Feldt

    OriginalPaper Pages: 357 - 370

12. A note on the normal ogive or logistic curve in item analysis

    • Frederic M. Lord

    OriginalPaper Pages: 371 - 372

13. An empirical study of item-test regression

    • Frederic M. Lord

    OriginalPaper Pages: 373 - 376

14. The average spearman rank correlation when ties are present: A correction

    • Edward E. Cureton

    OriginalPaper Pages: 377 - 377