1. Announcement

   Announcement Pages: 233 - 233

2. A synthetic approach to factor analysis

   • Karl J. Holzinger

   OriginalPaper Pages: 235 - 250

3. The relation of primary mental abilities to activity preferences

   • Dorothy C. Adkins
   • G. Frederic Kuder

   OriginalPaper Pages: 251 - 262

4. An empirical study of the effect of heterogeneous within-groups variance upon certainF-tests of significance in analysis of variance

   • R. H. Godard
   • E. F. Lindquist

   OriginalPaper Pages: 263 - 274

5. Concerning the determination of trait variability

   • Malcolm G. Preston

   OriginalPaper Pages: 275 - 281

6. A method for approximating the average intercorrelation coefficient by correlating the parts with the sum of the parts

   • Milton Babitz
   • Noel Keys

   OriginalPaper Pages: 283 - 288

7. A matrix multiplier

   • Ledyard R. Tucker

   OriginalPaper Pages: 289 - 294

8. Linear dependence in multiple correlation work

   • Merrill Roff

   OriginalPaper Pages: 295 - 298

9. Contributions to the mathematical theory of human relations. IV

   • N. Rashevsky

   OriginalPaper Pages: 299 - 303

10. Some remarks on the kuder-richardson reliability coefficient

    • Paul L. Dressel

    OriginalPaper Pages: 305 - 310

11. A review

    • H. A. Blair

    BookReview Pages: 311 - 312

12. Abstracts of papers on the program arranged by the psychometric society and presented at the annual meeting of the american psychological association at Pennsylvania State College on thursday, September 5, 1940

    Abstract Pages: 313 - 317