A Supplementary Review of the Constancy of the Intelligence Quotient

27th Yearbook angew average Baldwin and Stecher Binet Tests borderline CATHOLIC EDUCATION PRESS causes of unreliability CAUSES OF VARIATIONS cent Chipman Chipman's data Clinic Colloton comparisons conclusions Constancy of Intelligence control group correlations crease Cuneo decrease Durling Edith L effect entire group evidence feeble-minded children females Florence L Freeman gence Quotient Goodenough grade Gray and Marsden Hildreth increases indicate influence of environment intelligence quo intelligence quotient intelligence test interval Jour language handicap less Lincoln marginal failures McBride mental age Mental Defectives Mental Growth mental level Mental Tests Minogue Minogue's months normal children number of children observed practice probable error problem Prouty Prouty's data Psychol psychopaths pupils quartile reliability coefficients Retests School and Soc second test sixteen Slocombe Slocombe's small numbers stancy Stanford Revision Stanford-Binet Scale Stanford-Binet Test Study of Educ superior children Supplementary Review Table test performance Test Scores tient variability writers young children