On the use of mathematics in psychological theory (concluded from previous issue) J. F. Brown OriginalPaper Pages: 7 - 15
Further contributions to the mathematical theory of human relations N. Rashevsky OriginalPaper Pages: 21 - 31
The relation between the difficulty and the differential validity of a test M. W. Richardson OriginalPaper Pages: 33 - 49
Note on computation of bi-serial correlations in item evaluation Jack W. Dunlap OriginalPaper Pages: 51 - 58
