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Coleman, Marilyn; And Others – Psychology in the Schools, 1980
The mean IQ on the Slosson Intelligence Test (SIT) was substantially higher than expected based on the earlier Peabody Picture Vocabulary Test (PPVT) scores. Sampling error and examiner error were excluded as explanations. Results suggest that the PPVT and SIT yield different scores and lack comparability. (Author)
Descriptors: Children, Comparative Analysis, Intelligence Tests, Intervention

Martin, John D.; Rudolph, Linda – Educational and Psychological Measurement, 1972
The SIT Correlates highly enough with ACT scores to be considered a valid instrument for predicting acceptance and success in college. (Authors)
Descriptors: Comparative Analysis, Criterion Referenced Tests, Grade Point Average, Intelligence Tests