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Brain Reserve Theory: Are Adults with Intellectual Disability More Vulnerable to Age than Peers with Typical Development?
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Zemach, Moran; Vakil, Eli; Lifshitz, Hefziba – Journal of Applied Research in Intellectual Disabilities, 2023
Background: Life expectancy is on rise and the intriguing question is: When does cognitive decline occur among adults with intellectual disability, compared to adults with typical development? This cross-sectional study examined cognitive performance of crystallised/fluid intelligence, working and long-term memory of adults with intellectual…
Descriptors: Adults, Intellectual Disability, Intelligence Tests, Verbal Learning
The Effect of Grade Norms in College Students: Using the Woodcock-Johnson III Tests of Achievement
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Cressman, Markus N.; Liljequist, Laura – Journal of Learning Disabilities, 2014
The "Woodcock-Johnson III" Tests of Achievement grade norms versus age norms were examined in the calculation of discrepancy scores in 202 college students. Difference scores were calculated between the "Wechsler Adult Intelligence Scale-3rd Edition" Full Scale IQ and the "Woodcock-Johnson III" Total Achievement,…
Descriptors: Achievement Tests, College Students, Norms, Age
Associations of Early Developmental Milestones with Adult Intelligence
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Flensborg-Madsen, Trine; Mortensen, Erik L. – Child Development, 2018
The study investigated whether age at attainment of 20 developmental milestones within the areas of language, walking, eating, dressing, social interaction, and toilet training was associated with adult intelligence. Mothers of 821 children of the Copenhagen Perinatal Cohort recorded 20 developmental milestones at a 3-year examination, and all…
Descriptors: Child Development, Intelligence, Toilet Training, Adults
Formulation of the Age-Education Index: Measuring Age and Education Effects in Neuropsychological Performance
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Lam, Max; Eng, Goi Khia; Rapisarda, Attilio; Subramaniam, Mythily; Kraus, Michael; Keefe, Richard S. E.; Collinson, Simon Lowes – Psychological Assessment, 2013
The complex interplay of education, age, and cognitive performance on various neuropsychological tests is examined in the current study. New education indices were formulated and further investigated to reveal how age and education variances work together to account for performance on neuropsychological tests. Participants were 830…
Descriptors: Neuropsychology, Age, Educational Attainment, Measurement
Moderators of Informant Agreement in the Assessment of Adolescent Psychopathology: Extension to a Forensic Sample
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Penney, Stephanie R.; Skilling, Tracey A. – Psychological Assessment, 2012
A well-documented finding in developmental psychopathology research is that different informants often provide discrepant ratings of a youth's internalizing and externalizing problems. The current study examines youth- and parent-based moderators (i.e., youth age, gender, and IQ; type of psychopathology; offense category; psychopathic traits;…
Descriptors: Psychopathology, Adolescents, Criminals, Caregivers
Behavioral Correlates of WAIS Profile Patterns: An Exploratory Study
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Amolsch, Thomas J.; Henrichs, Theodore, F. – Journal of Personality Assessment, 1975
Wechsler Adult Intelligence Scale (WAIS) patterns can be tied feasibily to personality descriptions. A method is presented for the actuarialstudy of WAIS patterns. (Author/DEP)
Descriptors: Age, Behavior Patterns, Intelligence Tests, Mental Retardation
A Developmental Investigation of Intellectual Functioning in the Community Age
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Savage, R. D.; And Others – Journal of Genetic Psychology, 1972
Article is an attempt to clarify some of the issues involved in previous interpretations of data in longitudinal and cross-sectional studies. (MB)
Descriptors: Age, Cross Sectional Studies, Developmental Psychology, Intelligence
Estimating WAIS-R IQ from the Shipley Institute of Living Scale.
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Zachary, Robert A.; And Others – Journal of Clinical Psychology, 1985
Estimated age-adjusted Wechsler Adult Intelligence Scale-Revised intelligence quotient (IQ) scores using linear regression techniques and continuous norming of two samples of psychiatric inpatients (total N=150) in Veteran's Administration hospital. Results support use of estimation procedure in clinical and research settings desiring brief but…
Descriptors: Age, Estimation (Mathematics), Intelligence Quotient, Intelligence Tests