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Youngstrom, Eric A.; Kogos, Jennifer L.; Glutting, Joseph J. – School Psychology Quarterly, 1999
Examines the incremental validity of Differential Ability Scales (DAS) factor scores in predicting standardized achievement scores in Word Reading, Basic Number Skills, and Spelling by using a nationally representative sample stratified on gender, ethnicity, geographic region, parental education, and educational classification. Results show that…
Descriptors: Academic Achievement, Adolescents, Children, Cognitive Tests