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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Page 53
... standard deviation distance from a mean arbitrarily chosen as 50. Thus , a point one standard deviation above the mean is 50 plus 10 or 60 linear score . Similarly , a point one standard deviation below the mean is 40 linear score , two ...
... standard deviation distance from a mean arbitrarily chosen as 50. Thus , a point one standard deviation above the mean is 50 plus 10 or 60 linear score . Similarly , a point one standard deviation below the mean is 40 linear score , two ...
Page 87
... standard deviations of the truncated distributions of IQ's are reported in Table XX ( column 3 ) . In each case ... deviation for the IQ's of 110 or over in the IQ - English criterion distribution is 5.24 IQ units ( Table XX , column 3 ) .
... standard deviations of the truncated distributions of IQ's are reported in Table XX ( column 3 ) . In each case ... deviation for the IQ's of 110 or over in the IQ - English criterion distribution is 5.24 IQ units ( Table XX , column 3 ) .
Page 110
... standard deviations of 183 individual distributions of criterion scores , divided by the standard deviation of the dis- tribution of the 183 criterion scores for the same individuals in English . This subject was chosen because it ...
... standard deviations of 183 individual distributions of criterion scores , divided by the standard deviation of the dis- tribution of the 183 criterion scores for the same individuals in English . This subject was chosen because it ...
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ability grouping Accordingly achievement in specific achievement scores achievement tests algebra American History average achievement average school marks Bulletin 109 CENT REDUCTION centile chance placement Chemistry Columbia Research English comparable corrected correlation ratios criterion score units determined Educational Psychology Educational Research Figure foreign languages French frequency Higher Examination indices intelligence test scores Intelligence Tests IQ groups IQ's and subject Journal of Educational LINEAR SCORE VALUES mathematics mean criterion scores measures of mental ment mental ability tests method numbers of terms Otis IQ's Otis Self-Administering Test Otis test Physics Plane Geometry Predicting Specific Subject probable error pupils range raw correlation coefficients raw scores Regents Exam regression line reliability coefficients reported in Table scale scatter diagrams secondary school senior high schools Solid Geometry Spanish Spearman specific achievement specific subject achievement standard deviation subject criterion scores subject groups Terman Test of Mental Trigonometry truncated distribution variation of IQ's Yonkers