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Autism Symptom Presentation and Hierarchical Models of Intelligence.

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Title: Autism Symptom Presentation and Hierarchical Models of Intelligence.
Authors: Levine, Michael A. (AUTHOR), Chen, Huan (AUTHOR), Wodka, Ericka L. (AUTHOR), Caffo, Brian S. (AUTHOR), Ewen, Joshua B. (AUTHOR)
Source: Journal of Autism & Developmental Disorders. Aug2026, Vol. 56 Issue 8, p3295-3302. 8p.
Subjects: Diagnosis of autism, Intellect, Statistical models, Pearson correlation (Statistics), Academic medical centers, Data analysis, Research funding, Autism, Statistical sampling, Information needs, Statistics, Asperger's syndrome, Factor analysis, Intelligence tests, Symptoms
Geographic Terms: Maryland
Abstract: Background: There is a substantial history studying the relationship between general intelligence and the core symptoms of autism. However, a gap in knowledge is how dimensional autism symptomatology associates with different components of clinically-relevant hierarchical models of intelligence. Method: We examined correlations between autism diagnostic symptom magnitude (Autism Diagnostic Observational Schedule; ADOS) and a hierarchical statistical model of intelligence. One autistic cohort was tested on the fourth edition of Wechsler Intelligence Scale for Children (WISC-IV; N = 131), and another on the fifth edition (WISC-V; N = 83). We anticipated a convergent pattern of results between cohorts. Results: On WISC-IV, ADOS scores were correlated significantly with g and three out of four intermediate factor scores, which was a broader pattern of correlations than anticipated from the literature. In the WISC-V cohort, only one intermediate factor correlated significantly with the ADOS; correlations with g and the other intermediate factors were less statistically certain. ADOS-factor correlations were larger in the WISC-IV than WISC-V cohort; this difference was significant at the 90% level. Conclusions: WISC-IV shows dimensional relationships with ADOS at multiple points in the hierarchical model of intelligence. Moreover, the current results provide evidence that relationship between core autism symptomatology and the construct of general intelligence may depend on how intelligence is measured. Known cohort effects in the relationship between categorical autism diagnosis and general intelligence have previously been attributed to changes in autism diagnostic practices. To our knowledge, this is the first evidence that differing versions of IQ tests may be implicated. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Autism & Developmental Disorders is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Autism Symptom Presentation and Hierarchical Models of Intelligence.
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  Data: <searchLink fieldCode="AR" term="%22Levine%2C+Michael+A%2E%22">Levine, Michael A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Huan%22">Chen, Huan</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wodka%2C+Ericka+L%2E%22">Wodka, Ericka L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Caffo%2C+Brian+S%2E%22">Caffo, Brian S.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ewen%2C+Joshua+B%2E%22">Ewen, Joshua B.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Autism+%26+Developmental+Disorders%22">Journal of Autism & Developmental Disorders</searchLink>. Aug2026, Vol. 56 Issue 8, p3295-3302. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Diagnosis+of+autism%22">Diagnosis of autism</searchLink><br /><searchLink fieldCode="DE" term="%22Intellect%22">Intellect</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+models%22">Statistical models</searchLink><br /><searchLink fieldCode="DE" term="%22Pearson+correlation+%28Statistics%29%22">Pearson correlation (Statistics)</searchLink><br /><searchLink fieldCode="DE" term="%22Academic+medical+centers%22">Academic medical centers</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Autism%22">Autism</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+sampling%22">Statistical sampling</searchLink><br /><searchLink fieldCode="DE" term="%22Information+needs%22">Information needs</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics%22">Statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Asperger's+syndrome%22">Asperger's syndrome</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+analysis%22">Factor analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Intelligence+tests%22">Intelligence tests</searchLink><br /><searchLink fieldCode="DE" term="%22Symptoms%22">Symptoms</searchLink>
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  Data: Background: There is a substantial history studying the relationship between general intelligence and the core symptoms of autism. However, a gap in knowledge is how dimensional autism symptomatology associates with different components of clinically-relevant hierarchical models of intelligence. Method: We examined correlations between autism diagnostic symptom magnitude (Autism Diagnostic Observational Schedule; ADOS) and a hierarchical statistical model of intelligence. One autistic cohort was tested on the fourth edition of Wechsler Intelligence Scale for Children (WISC-IV; N = 131), and another on the fifth edition (WISC-V; N = 83). We anticipated a convergent pattern of results between cohorts. Results: On WISC-IV, ADOS scores were correlated significantly with g and three out of four intermediate factor scores, which was a broader pattern of correlations than anticipated from the literature. In the WISC-V cohort, only one intermediate factor correlated significantly with the ADOS; correlations with g and the other intermediate factors were less statistically certain. ADOS-factor correlations were larger in the WISC-IV than WISC-V cohort; this difference was significant at the 90% level. Conclusions: WISC-IV shows dimensional relationships with ADOS at multiple points in the hierarchical model of intelligence. Moreover, the current results provide evidence that relationship between core autism symptomatology and the construct of general intelligence may depend on how intelligence is measured. Known cohort effects in the relationship between categorical autism diagnosis and general intelligence have previously been attributed to changes in autism diagnostic practices. To our knowledge, this is the first evidence that differing versions of IQ tests may be implicated. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Autism & Developmental Disorders is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10803-024-06411-5
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        Text: English
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        PageCount: 8
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      – SubjectFull: Diagnosis of autism
        Type: general
      – SubjectFull: Intellect
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      – SubjectFull: Statistical models
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      – SubjectFull: Pearson correlation (Statistics)
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      – SubjectFull: Statistical sampling
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      – SubjectFull: Intelligence tests
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      – SubjectFull: Maryland
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              Text: Aug2026
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