The Specific Nature of Achievement and the Predictive Value of the IQ: An Investigation of the Limitations Placed Upon the Predictive Values of Otis IQ's by the Variation in the Achievements of Twelfth Grade Students in Their Different Subjects
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ability grouping According to Magnitude Accordingly achievement in specific achievement scores achievement test algebra American History average achievement average school marks Bulletin 109 centile Coefficients Between Measures Columbia Research English comparable corrected correlation ratios determined Educational Psychology Educational Research English criterion scores Figure foreign languages French frequency Higher Examination indices Intelligence Tests IQ groups IQ's and Subject Journal of Educational Linear Score Values mathematics mean criterion scores mean IQ measures of mental ment mental ability tests numbers of terms Otis IQ's Otis Self-Administering Test Otis test Physics Plane Geometry Predicting Specific Subject probable error pupils raw correlation coefficients raw scores regression line reported in Table Research English Test rt rt rt scale scatter diagrams senior high schools Solid Geometry Spanish specific achievement specific subject achievement standard deviation subject criterion scores subject groups Test of Mental tion Transmutation Trigonometry validity variation of IQ's Yonkers