1. Efficiency of multiple-choice tests as a function of spread of item difficulties

   • Lee J. Cronbach
   • Willard G. Warrington

   OriginalPaper Pages: 127 - 147

2. Finite markov processes in psychology

   • George A. Miller

   OriginalPaper Pages: 149 - 167

3. An internal consistency check for scale values determined by the method of successive intervals

   • Allen L. Edwards
   • L. L. Thurstone

   OriginalPaper Pages: 169 - 180

4. The relation of the reliability of multiple-choice tests to the distribution of item difficulties

   • Frederic M. Lord

   OriginalPaper Pages: 181 - 194

5. On the determination of redundancies in sociometric chains

   • Ian C. Ross
   • Frank Harary

   OriginalPaper Pages: 195 - 208

6. Multiple group methods for common-factor analysis: Their basis, computation, and interpretation

   • Louis Guttman

   OriginalPaper Pages: 209 - 222

7. A technique for facilitating the rotation of factor axes, based on an equivalence between persons and tests

   • Joseph Sandler

   OriginalPaper Pages: 223 - 229

8. IBM computation of sums of products for positive and negative numbers

   • Paul J. Burke

   OriginalPaper Pages: 231 - 238