1. Current misuse of the factorial methods

   • L. L. Thurstone

   OriginalPaper Pages: 73 - 76

2. A table to aid in the computation of fisher's “t” function for comparison of two means

   • Harold A. Edgerton
   • Edmund O. Starbuck

   OriginalPaper Pages: 77 - 84

3. On the rank of the reduced correlational matrix in multiple-factor analysis

   • Walter Ledermann

   OriginalPaper Pages: 85 - 93

4. The simultaneous prediction of any number of criteria by the use of a unique set of weights

   • Albert K. Kurtz

   OriginalPaper Pages: 95 - 101

5. Note on excitation theories

   • Gaylord Young

   OriginalPaper Pages: 103 - 106

6. Studies in the learning function

   • L. E. Wiley
   • A. M. Wiley

   OriginalPaper Pages: 107 - 120

7. The psychophysics of mental test difficulty

   • J. P. Guilford

   OriginalPaper Pages: 121 - 133

8. Nomograph for point biserialr, biserialr, and fourfold correlations

   • G. F. Kuder

   OriginalPaper Pages: 135 - 138