1. “Predicting Success in Algebra,”;Ayers;School and Society,January, 1934
2. “Prediction of High School Marks in Elementary Algebra,”;Clifton;Journal of Experimental Education,June, 1940
3. “Predicting Accomplishment in Plane Geometry,”;Davis;SCHOOL SCIENCE AND MATHEMATICS,May, 1945
4. “Does Mathematics Require Specialized Endowments?”;Dexter;School and Society,August, 1936
5. “Predicting Algebraic Ability,”;Dieter;School Review,October, 1933