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Direct linkWeiss, Lawrence G.; Gregoire, Jacques; Zhu, Jianjun – Journal of Psychoeducational Assessment, 2016
Many Flynn effect (FE) studies compare scores across different editions of Wechsler's IQ tests. When construct changes are introduced by the test developers in the new edition, however, the presumed generational effects are difficult to untangle from changes due to test content. To remove this confound, we use the same edition of Wechsler…
Descriptors: Generational Differences, Intelligence Tests, Comparative Analysis, Scores
Peer reviewedPowers, Stephen; And Others – Educational and Psychological Measurement, 1986
The predictive validity of the Standard Progressive Matrices (SPM) was examined with a sample of 212 sixth-grade students and 214 seventh-grade students. Correlation coefficients between the SPM and the California Achievement Tests of Reading, Language, and Mathematics ranged from .34 to .60. (Author/LMO)
Descriptors: Abstract Reasoning, Academic Achievement, Cognitive Ability, Cognitive Tests
Download full textEvans, Ellis D.; Klockars, Alan J. – 1986
The power of the Slingerland Screening Tests was examined, and a discrepant performance index was developed between cognitive measures to predict early school achievement and class placement for children at risk for specific language disabilities. Subjects were two successive cohorts of entering kindergarten children for whom Slingerland Tests…
Descriptors: Academic Achievement, Cognitive Tests, Correlation, Grade 1
