1. The use of factor analysis in the statistical analysis of multiple time series

   • T. W. Anderson

   OriginalPaper Pages: 1 - 25

2. A response time model for choice behavior

   • Walter Kintsch

   OriginalPaper Pages: 27 - 32

3. A direct method for multidimensional ratio scaling

   • Gösta Ekman

   OriginalPaper Pages: 33 - 41

4. Correcting correlation coefficients for group heterogeneity when one variable is a dichotomy

   • Ernest C. Tupes

   OriginalPaper Pages: 43 - 48

5. Some remarks on failure to meet assumptions in discriminant analyses

   • Richard S. Melton

   OriginalPaper Pages: 49 - 53

6. The uniqueness and significance of simple structure demonstrated by contrasting organic “natural structure” and “random structure” data

   • Raymond B. Cattell
   • Richard L. Gorsuch

   OriginalPaper Pages: 55 - 67

7. A factor analytic method for investigating differences between groups of individual learning curves

   • R. A. Weitzman

   OriginalPaper Pages: 69 - 80

8. Biserial estimates of correlation

   • Frederic M. Lord

   OriginalPaper Pages: 81 - 85

9. Factoring the circumplex

   • W. A. Gibson

   OriginalPaper Pages: 87 - 92

10. A note on “pattern variants on a square field”

    • John W. Moon

    OriginalPaper Pages: 93 - 95

11. Note on use of extreme criterion groups in item discrimination analysis

    • Leonard S. Feldt

    OriginalPaper Pages: 97 - 104

12. A note concerning the creager—Valentine paper

    • Aart Hazewinkel

    OriginalPaper Pages: 105 - 108

13. Members of the psychometric society

    Legacy Pages: 109 - 128