The Specific Nature of Achievement and the Predictive Value of the IQ: An Invstigation 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 tests algebra American History Author's Manual Author's average achievement average school marks Bulletin 109 CENT REDUCTION centile Coefficients between Measures Columbia Research English comparable corrected correlation ratios determined Educational Psychology Educational Research foreign languages French frequency Higher Examination indices Intelligence Tests interval IQ groups IQ's and subject Journal of Educational Linear Score Values Manual Author's Manual mathematics mean criterion scores mean IQ measures of mental ment mental ability tests method numbers of terms Otis IQ's Otis Self-Administering Test Otis test Physics Plane Geometry probable error pupils raw correlation coefficients raw scores Regents Exam regression line reliability coefficients reported in Table Research English Test scale scatter diagrams secondary school senior high schools Solid Geometry Spanish Spearman specific achievement specific subject achievement standard deviation subject criterion scores subject groups Test of Mental Trigonometry variation of IQ's