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Russell T. Warne – Gifted and Talented International, 2023
Tests of measurement invariance are essential to determining whether individual scores or group averages are comparable across populations. While international comparisons of mean IQ scores are common, tests of measurement invariance for intelligence test batteries (necessary for comparisons to be empirically supported) are rare. In this study,…
Descriptors: Foreign Countries, Adults, Intelligence Tests, Children
Fletcher, Jack M.; Stuebing, Karla K.; Hughes, Lisa C. – Journal of Psychoeducational Assessment, 2010
IQ test scores should be corrected for high stakes decisions that employ these assessments, including capital offense cases. If scores are not corrected, then diagnostic standards must change with each generation. Arguments against corrections, based on standards of practice, information present and absent in test manuals, and related issues,…
Descriptors: Testing, Mental Retardation, Validity, Intelligence Quotient
Bowden, Stephen C.; Weiss, Lawrence G.; Holdnack, James A.; Bardenhagen, Fiona J.; Cook, Mark J. – Assessment, 2008
A psychological measurement model provides an explicit definition of (a) the theoretical and (b) the numerical relationships between observed scores and the latent variables that underlie the observed scores. Examination of the metric invariance of a measurement model involves testing the hypothesis that all components of the model relating…
Descriptors: Measurement Techniques, Foreign Countries, Cognitive Ability, Scores

Ryan, Joseph J.; And Others – Journal of Consulting and Clinical Psychology, 1983
Wechsler Adult Intelligence Scale-Revised protocols from two vocational counseling clients were scored by 19 psychologists and 20 graduate students. Regardless of scorer's experience level, mechanical scoring error produced summary scores varying by as much as 4 to 18 IQ points. (Author/RC)
Descriptors: Error of Measurement, Graduate Students, Higher Education, Intelligence Tests
Atkinson, Leslie – 1990
Three tables are provided to aid in the clinical interpretation of factor scores for the Wechsler Adult Intelligence Scale-Revised (WAIS-R; 1981). The factor structure of the WAIS-R has proven to be robust across samples, tests, time, statistical analyses, measurement scales, and distortions of the distribution. Information necessary to make…
Descriptors: Adults, Clinical Diagnosis, Diagnostic Tests, Error of Measurement