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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
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Naglieri, Jack A. – Journal of Consulting and Clinical Psychology, 1982
Computed confidence intervals for the Wechsler Adult Intelligence Scale-Revised for the Verbal, Performance, and Full Scale IQ scores. Reports IQ intervals for the 85 percent, 90 percent, 95 percent, and 99 percent levels of confidence for each of the nine standardization sample age groups and the entire sample. (Author)
Descriptors: Error of Measurement, Intelligence Quotient, Intelligence Tests, Statistical Analysis
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Schretlen, David; And Others – Psychological Assessment, 1994
Composite reliability and standard errors of measurement were computed for prorated Verbal, Performance, and Full-Scale intelligence quotient (IQ) scores from a seven-subtest short form of the Wechsler Adult Intelligence Scale-Revised. Results with 1,880 adults (standardization sample) indicate that this form is as reliable as the complete test.…
Descriptors: Adults, Error of Measurement, Intelligence, Intelligence Quotient
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Hopwood, Christopher J.; Richard, David C. S. – Assessment, 2005
Research on the Wechsler Adult Intelligence Scale-Revised and Wechsler Adult Intelligence Scale-Third Edition (WAIS-III) suggests that practicing clinical psychologists and graduate students make item-level scoring errors that affect IQ, index, and subtest scores. Studies have been limited in that Full-Scale IQ (FSIQ) and examiner administration,…
Descriptors: Scoring, Psychologists, Intelligence Quotient, Graduate Students