1. A general solution for the latent class model of latent structure analysis

   • Bert F. Green Jr.

   OriginalPaper Pages: 151 - 166

2. Time-limit tests: Estimating their reliability and degree of speeding

   • Lee J. Cronbach
   • W. G. Warrington

   OriginalPaper Pages: 167 - 188

3. Optimal test length for maximum battery validity

   • Paul Horst

   OriginalPaper Pages: 189 - 202

4. Remarks on the method of paired comparisons: II. The effect of an aberrant standard deviation when equal standard deviations and equal correlations are assumed

   • Frederick Mosteller

   OriginalPaper Pages: 203 - 206

5. Remarks on the method of paired comparisons: III. A test of significance for paired comparisons when equal standard deviations and equal correlations are assumed

   • Frederick Mosteller

   OriginalPaper Pages: 207 - 218

6. Rate of addition as a function of difficulty and age

   • James E. Birren
   • Jack Botwinick

   OriginalPaper Pages: 219 - 232

7. A mechanical model illustrating the scatter diagram with oblique test vectors

   • Harold Gulliksen
   • Ledyard R Tucker

   OriginalPaper Pages: 233 - 238

8. A graphical method for the rapid calculation of biserial and point biserial correlation in test research

   • Howard W. Goheen
   • Melvin D. Davidoff

   OriginalPaper Pages: 239 - 242

9. Book reviews

   • David A. Grant
   • Robert L. Chapman

   BookReview Pages: 243 - 245

10. Books received

    Announcement Pages: 245 - 245