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Relative Robustness of CDMs and (M)IRT in Measuring Growth in Latent Skills
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Huang, Qi; Bolt, Daniel M. – Educational and Psychological Measurement, 2023
Previous studies have demonstrated evidence of latent skill continuity even in tests intentionally designed for measurement of binary skills. In addition, the assumption of binary skills when continuity is present has been shown to potentially create a lack of invariance in item and latent ability parameters that may undermine applications. In…
Descriptors: Item Response Theory, Test Items, Skill Development, Robustness (Statistics)
Intelligence and Adaptive Behavior: A Meta-Analysis
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Alexander, Ryan M.; Reynolds, Matthew R. – School Psychology Review, 2020
Intelligence tests and adaptive behavior scales measure vital aspects of human functioning. Assessment of each is a required component in the diagnosis or identification of intellectual disability. The present study investigated the population correlation between intelligence and adaptive behavior using psychometric meta-analysis. The main…
Descriptors: Meta Analysis, Incidence, Intelligence Tests, Clinical Diagnosis
Long-Term Stability of Scores on the Wechsler Intelligence Scale for Children-Fourth Edition in Children with Learning Disabilities
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Lander, Jenny – ProQuest LLC, 2010
The present investigation explored the stability of scores on the Wechsler Intelligence Scale for Children-IV (WISC-IV) over approximately a three-year period. Previous research has suggested that some children with Learning Disabilities (LD) do not demonstrate long-term stability of intelligence. Legally, school districts are no longer required…
Descriptors: Suburban Schools, Intelligence Tests, Learning Disabilities, Cognitive Tests
States' Eligibility Guidelines for Mental Retardation: An Update and Consideration of Part Scores and Unreliability of IQs
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Bergeron, Renee; Floyd, Randy G.; Shands, Elizabeth I. – Education and Training in Developmental Disabilities, 2008
Mental retardation (MR) has traditionally been defined as a disorder in intellectual and adaptive functioning beginning in the developmental period. Guided by a federal definition of MR described in the Individuals with Disabilities Education Act, it is the responsibility of each of the United States to describe eligibility guidelines for special…
Descriptors: Eligibility, Mental Retardation, Intelligence Tests, Intelligence Quotient
Intelligence-Personality Associations Reconsidered: The Importance of Distinguishing between General and Narrow Dimensions of Intelligence
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Reeve, Charlie L.; Meyer, Rustin D.; Bonaccio, Silvia – Intelligence, 2006
The relationship between intelligence and personality has been of scientific interest for over 100 years. However, most contemporary estimates of these relationships are limited because they do not separate the variance due to general and narrow cognitive abilities. This study demonstrates that this methodological oversight can distort estimates…
Descriptors: Intelligence, Personality, Correlation, Cognitive Ability
A Comparison of WISC and WISC-R Scores of Sixth Grade Students: Implications for Validity.
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Stokes, Elizabeth H.; And Others – Educational and Psychological Measurement, 1978
The Wechsler Intelligence Scale for Children, and the revised form of that measure, were administered to a sample of sixth grade pupils. Although the correlation between measures was high, scores on the revised form were significantly lower. (JKS)
Descriptors: Comparative Testing, Correlation, Error of Measurement, Grade 6
Change in Intelligence and Academic Skills of Grades Four and Seven Pupils Over a Twenty-Year Period.
Randhawa, Bikkar S. – 1980
Scores on mental ability and academic skills for 1958 and 1978 of representative sample of grade 4 and 7 classes in Saskatchewan were compared. The selected students were administered appropriate levels of the Otis-Lennon Mental Ability Tests, and the Canadian Tests of Basic skills in vocabulary, reading, language skills (spelling, capitalization,…
Descriptors: Academic Achievement, Achievement Tests, Basic Skills, Correlation