Estimation of the correlation coefficient in the case of a bivariate normal population when one of the variables is dichotomized J. S. Maritz OriginalPaper Pages: 97 - 110
A table for the rapid determination of the tetrachoric correlation coefficient Melvin D. DavidoffHoward W. Goheen OriginalPaper Pages: 115 - 121
A special review of Harold Gulliksen,Theory of Mental Tests Louis Guttman ReviewPaper Pages: 123 - 130
A factor-analytic study of reasoning abilities Russel F. GreenJ. P. GuilfordAndrew L. Comrey OriginalPaper Pages: 135 - 160
A method for factoring large numbers of items Robert J. WherryBen J. Winer OriginalPaper Pages: 161 - 179