Abstract:Young (2) found the constancy of the IQ to be influenced by the length of interval between tests, types of tests used, IQ level, sex, and chrono logical age. In contrast, Bonney (12) obtained correlations ranging from +.71 to +.93 between IQ ratings separated by an interval of one year. His samples, however, were small. Goldin and Rothschild (30) found correlations of +.80 or higher, for children of Italian parentage, between Henmon-Nelson scores originally obtained in the fourth grade and retests with the sam… Show more
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