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Direct linkLoe, Scott A. – Psychology in the Schools, 2014
Protocols from 108 administrations of the Reynolds Intellectual Assessment Scales were evaluated to determine the frequency of examiner errors and their impact on the accuracy of three test composite scores, the Composite Ability Index (CIX), Verbal Ability Index (VIX), and Nonverbal Ability Index (NIX). Students committed at least one…
Descriptors: Intelligence Tests, Testing, Examiners, Incidence
Krach, S. Kathleen; Loe, Scott A.; Jones, W. Paul; Farrally, Autumn – Journal of Psychoeducational Assessment, 2009
Validity studies with the Reynolds Intellectual Ability scales (RIAS) indicated that RIAS composite intelligence index (CIX) and verbal intelligence index (VIX) scores have moderate-to-high correlation with comparable scores on other instruments. The authors of the RIAS described the VIX scale as a measure of crystallized ability and the nonverbal…
Descriptors: Test Validity, Intelligence Tests, Scores, Correlation
