1. A rational comparison of item-selection techniques;ADKINS;Psychol. Bull.,1938
2. Simplified formulas for item selection and construction;ADKINS;Psychometrika,1937
3. A table of values of the product-moment coefficient of correlation as determined by the proportions of successes on the X-variable in each ten-per-cent tail of the Y-variable distribution;ASCHENBRENNER,1949
4. A measuring scale for ability in spelling;AYRES,1915
5. The validity of intelligence test elements;BARTHELMESS,1931