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Jessica Stinson – ProQuest LLC, 2024
Intelligence tests have been used in the United States since the early 1900s for assessing soldiers during World War I (Kaufman & Harrison, 2008; White & Hall, 1980). Presently, cognitive assessments are used in school, civil service, military, clinical, and industry settings (White & Hall, 1980). Although the results of these…
Descriptors: Graduate Students, Masters Programs, Doctoral Programs, Comparative Analysis
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
Atmaca, Furkan; Baloglu, Mustafa – Gifted Child Quarterly, 2022
We compared the Wechsler scores of individuals with twice-exceptionality (2e) and giftedness using a three-level Bayesian meta-analysis. Ninety-five effect sizes were calculated from 15 studies (n = 2,106). Results show that individuals with 2e who have learning disabilities perform lower than individuals with giftedness in Full-Scale Intelligence…
Descriptors: Meta Analysis, Gifted Disabled, Intelligence Quotient, Identification
Pisula, Ewa; Pudlo, Monika; Slowinska, Monika; Kawa, Rafal; Strzaska, Magdalena; Banasiak, Anna; Wolanczyk, Tomasz – Autism: The International Journal of Research and Practice, 2017
The purpose of this study was to investigate sex differences in behavioral and emotional problems in high-functioning girls and boys with autism spectrum disorder. The results obtained by adolescents with autism spectrum disorder were compared with those of typically developing girls and boys. Correlations between parents' and adolescents' ratings…
Descriptors: Autism, Pervasive Developmental Disorders, Adolescents, Behavior Problems
Elwin, Marie; Schröder, Agneta; Ek, Lena; Wallsten, Tuula; Kjellin, Lars – Journal of Autism and Developmental Disorders, 2017
We identified clusters of atypical sensory functioning adults with ASC by hierarchical cluster analysis. A new scale for commonly self-reported sensory reactivity was used as a measure. In a low frequency group (n = 37), all subscale scores were relatively low, in particular atypical sensory/motor reactivity. In the intermediate group (n = 17)…
Descriptors: Adults, Autism, Pervasive Developmental Disorders, Multivariate Analysis
Jewsbury, Paul A.; Bowden, Stephen C.; Duff, Kevin – Journal of Psychoeducational Assessment, 2017
The Cattell-Horn-Carroll (CHC) model is a comprehensive model of the major dimensions of individual differences that underlie performance on cognitive tests. Studies evaluating the generality of the CHC model across test batteries, age, gender, and culture were reviewed and found to be overwhelmingly supportive. However, less research is available…
Descriptors: Intelligence Tests, Individual Differences, Executive Function, Neuropsychology
Koolschijn, P. Cédric M. P.; Geurts, Hilde M. – Journal of Autism and Developmental Disorders, 2016
It is widely acknowledged that the brain anatomy of children and adolescents with autism spectrum disorder (ASD) shows a different developmental pattern then typical age-matched peers. There is however, a paucity of studies examining gray matter in mid and late adulthood in ASD. In this cross-sectional neuroimaging study, we, performed vertex-wise…
Descriptors: Adults, Older Adults, Pervasive Developmental Disorders, Case Studies
Weiss, Lawrence G.; Gregoire, Jacques; Zhu, Jianjun – Journal of Psychoeducational Assessment, 2016
Many Flynn effect (FE) studies compare scores across different editions of Wechsler's IQ tests. When construct changes are introduced by the test developers in the new edition, however, the presumed generational effects are difficult to untangle from changes due to test content. To remove this confound, we use the same edition of Wechsler…
Descriptors: Generational Differences, Intelligence Tests, Comparative Analysis, Scores
National Study of School Psychologists' Use of Evidence-Based Assessment in Autism Spectrum Disorder
Aiello, Rachel; Ruble, Lisa; Esler, Amy – Journal of Applied School Psychology, 2017
This study aimed to better understand predictors of evidence-based assessment practices for autism spectrum disorder (ASD). Nationwide, 402 school psychologists were surveyed for their knowledge of and training and experience with ASD on assessment practices, including reported areas of training needs. The majority of school psychologists reported…
Descriptors: School Psychologists, National Surveys, Evidence Based Practice, Pervasive Developmental Disorders
Rosa, Mireia; Puig, Olga; Lázaro, Luisa; Calvo, Rosa – Autism: The International Journal of Research and Practice, 2016
Previous studies have shown high rates of comorbid disorders in children and adolescents with autism spectrum disorder, but failed to compare them with general population and few of them have identified predictors of comorbidity. This study compared the rates of psychiatric disorders in 50 children and adolescents with autism spectrum disorder, 24…
Descriptors: Socioeconomic Status, Children, Adolescents, Autism
Oakland, Thomas; Douglas, Sara; Kane, Harrison – Journal of Psychoeducational Assessment, 2016
This article provides a 24-year update on the 10 standardized tests used most frequently with children and youth by school psychologists. Data were acquired from 64 countries through an international survey, with one respondent from each country. The informants were solicited due to their expertise in the area of assessment. The data from the…
Descriptors: Standardized Tests, School Psychologists, Followup Studies, International Assessment
Miyaguchi, Koji; Shirataki, Sadaaki – Journal of Intellectual & Developmental Disability, 2014
Background: Many hypotheses have been proposed to address the relationship between sex offenders and neuropsychological functions. Method: The purpose of this study was to evaluate differences in executive functions between juvenile sex offenders and non-sex offenders with/without low IQ by using the Behavioural Assessment of the Dysexecutive…
Descriptors: Executive Function, Intelligence Quotient, Sexual Abuse, Juvenile Justice
Tobin, Michael; Hill, Eileen; Hill, John – British Journal of Visual Impairment, 2010
Experienced teachers have long asserted that children blind from retinoblastoma (Rb), a rare cancer of the eye, are of above average intelligence. To test this hypothesis, standardized verbal intelligence tests were administered to a sample of 85 children and adults, all diagnosed with the early infancy form of this condition. For 42 of the Rb…
Descriptors: Control Groups, Visual Impairments, Intelligence Tests, Intelligence Quotient
Kopp, Svenny; Kelly, Kristina Berg; Gillberg, Christopher – Journal of Attention Disorders, 2010
Objective: Examine clinical correlates and distinguishing features of autism spectrum disorders (ASD), ADHD, and tic disorders in girls referred for social impairment, attention/academic deficits, and/or tics. Method: One hundred 3- to 18-year-old girls referred for social impairment and attention symptoms were assessed in detail. Sixty of these…
Descriptors: Females, Autism, Intelligence Quotient, Daily Living Skills
Dimitropoulos, Anastasia; Ho, Alan Y.; Klaiman, Cheryl; Koenig, Kathy; Schultz, Robert T. – Journal of Mental Health Research in Intellectual Disabilities, 2009
In order to investigate unique and shared characteristics and to determine factors predictive of group classification, quantitative comparisons of behavioral and emotional problems were assessed using the Developmental Behavior Checklist (DBC-P) and the Vineland Adaptive Behavior Scales in autistic disorder, Williams syndrome (WS), and…
Descriptors: Check Lists, Emotional Problems, Behavior Problems, Mental Retardation
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