1. Regression tests for several samples

   • Harold Gulliksen
   • S. S. Wilks

   OriginalPaper Pages: 91 - 114

2. Test reliability and correction for attenuation

   • Helmer G. Johnson

   OriginalPaper Pages: 115 - 119

3. On the identifiability of parameters in Thurstone's multiple factor analysis

   • Olav Reiersøl

   OriginalPaper Pages: 121 - 149

4. Bias and error in multiple-choice tests

   • C. Horace Hamilton

   OriginalPaper Pages: 151 - 168

5. Connectivity and generalized cliques in sociometric group structure

   • R. Duncan Luce

   OriginalPaper Pages: 169 - 190

6. On the effect of selection performed on some coordinates of a multi-dimensional population

   • Z. W. Birnbaum
   • E. Paulson
   • F. C. Andrews

   OriginalPaper Pages: 191 - 204

7. The relation of the psychometric society to the federation of statistical societies

   • Harold Gulliksen
   • Harry H. Harman
   • Jack W. Dunlap

   OriginalPaper Pages: 205 - 207

8. Candidates still wanted for chief, test development section in the U. S. Civil Service Commission

   OriginalPaper Pages: 208 - 208

9. Book reviews

   • Leon Festinger
   • Quinn McNemar

   BookReview Pages: 209 - 214

10. Books received

    Announcement Pages: 214 - 214