A Study of Test Results at the Third and Fifth Grade Levels |
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40 per cent abilities accelerated children appear Arith average I.Q. cent of failures chances in 100 chronological age ranging coefficient of variation Dearborn Formboard decile tables DOCTOR OF PHILOSOPHY dren factors ficiency fifth grade children fifth grade level FORMBOARD FIRST TRIAL grade level group greater than zero group and sub-group Group Cases Mean group is significantly group IV consisted group succeed high reverse span INTELLIGENCE QUOTIENT Mean Sigma diff Mean Sigma Sk measures middle 40 months to fourteen obtained difference P.E. Group performance tests Psychological Clinic range of chronological regarded relative intellectual efficiency relative proficiency relative superiority reliability respect to I.Q. retardation for grade retarded children reverse memory span secured by testing significantly better statistical treatment test results test scores third grade children third grade level total group true difference greater University of Pennsylvania visual memory span whole group Witmer Cylinder test Witmer Formboard Wtmr