Intra-Subject Variability, Intelligence, and ADHD Traits in a Community-Based Sample

Objective: The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the relationship between ISV and fluid intelligence (gf) across the continuum of ADHD traits. Method: Age-residualized data from 426 p...

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Published inJournal of attention disorders Vol. 27; no. 1; pp. 67 - 79
Main Authors Schulz-Zhecheva, Yoanna, Voelkle, Manuel C., Beauducel, André, Biscaldi, Monica, Klein, Christoph
Format Journal Article
LanguageEnglish
Published Los Angeles, CA SAGE Publications 01.01.2023
Subjects
Adolescent
Attention Deficit Disorder with Hyperactivity - diagnosis
Child
Humans
Intelligence
Reaction Time
ADHD
intrasubject variability
diffusion model
fluid intelligence
ex-Gaussian model
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Abstract Objective: The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the relationship between ISV and fluid intelligence (gf) across the continuum of ADHD traits. Method: Age-residualized data from 426 participants (8–18 years, 6% ADHD) was used to investigate whether ex-Gaussian and DDM parameters derived from simple choice-reaction-time tasks can predict continuously assessed ADHD traits. Multiple-Group-Analyses and Latent-Moderated-Structural-Equations were used to test whether ADHD traits moderate the relationship between ISV and gf. Results: σ and μ of the ex-Gaussian model as well as DDM parameters drift rate (v) and boundary separation (a) significantly predicted general ADHD traits, while τ predicted attention difficulties specifically. Across the ADHD continuum, σ and v were significant predictors of gf. Conclusion: The results confirm the link between ISV and ADHD. The relationship between ISV and gf appears stable across the ADHD continuum.
AbstractList The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the relationship between ISV and fluid intelligence (gf) across the continuum of ADHD traits.OBJECTIVEThe present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the relationship between ISV and fluid intelligence (gf) across the continuum of ADHD traits.Age-residualized data from 426 participants (8-18 years, 6% ADHD) was used to investigate whether ex-Gaussian and DDM parameters derived from simple choice-reaction-time tasks can predict continuously assessed ADHD traits. Multiple-Group-Analyses and Latent-Moderated-Structural-Equations were used to test whether ADHD traits moderate the relationship between ISV and gf.METHODAge-residualized data from 426 participants (8-18 years, 6% ADHD) was used to investigate whether ex-Gaussian and DDM parameters derived from simple choice-reaction-time tasks can predict continuously assessed ADHD traits. Multiple-Group-Analyses and Latent-Moderated-Structural-Equations were used to test whether ADHD traits moderate the relationship between ISV and gf.σ and μ of the ex-Gaussian model as well as DDM parameters drift rate (v) and boundary separation (a) significantly predicted general ADHD traits, while τ predicted attention difficulties specifically. Across the ADHD continuum, σ and v were significant predictors of gf.RESULTSσ and μ of the ex-Gaussian model as well as DDM parameters drift rate (v) and boundary separation (a) significantly predicted general ADHD traits, while τ predicted attention difficulties specifically. Across the ADHD continuum, σ and v were significant predictors of gf.The results confirm the link between ISV and ADHD. The relationship between ISV and gf appears stable across the ADHD continuum.CONCLUSIONThe results confirm the link between ISV and ADHD. The relationship between ISV and gf appears stable across the ADHD continuum.
The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the relationship between ISV and fluid intelligence (gf) across the continuum of ADHD traits. Age-residualized data from 426 participants (8-18 years, 6% ADHD) was used to investigate whether ex-Gaussian and DDM parameters derived from simple choice-reaction-time tasks can predict continuously assessed ADHD traits. Multiple-Group-Analyses and Latent-Moderated-Structural-Equations were used to test whether ADHD traits moderate the relationship between ISV and gf. and of the ex-Gaussian model as well as DDM parameters drift rate ( ) and boundary separation ( ) significantly predicted general ADHD traits, while predicted attention difficulties specifically. Across the ADHD continuum, and were significant predictors of gf. The results confirm the link between ISV and ADHD. The relationship between ISV and gf appears stable across the ADHD continuum.
Objective: The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the relationship between ISV and fluid intelligence (gf) across the continuum of ADHD traits. Method: Age-residualized data from 426 participants (8–18 years, 6% ADHD) was used to investigate whether ex-Gaussian and DDM parameters derived from simple choice-reaction-time tasks can predict continuously assessed ADHD traits. Multiple-Group-Analyses and Latent-Moderated-Structural-Equations were used to test whether ADHD traits moderate the relationship between ISV and gf. Results: σ and μ of the ex-Gaussian model as well as DDM parameters drift rate (v) and boundary separation (a) significantly predicted general ADHD traits, while τ predicted attention difficulties specifically. Across the ADHD continuum, σ and v were significant predictors of gf. Conclusion: The results confirm the link between ISV and ADHD. The relationship between ISV and gf appears stable across the ADHD continuum.
Author Voelkle, Manuel C.
Schulz-Zhecheva, Yoanna
Klein, Christoph
Beauducel, André
Biscaldi, Monica
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crossref_primary_10_1016_j_cortex_2023_06_007
crossref_primary_10_1080_13854046_2025_2479213
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Snippet Objective: The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the...
The present study investigates the predictive validity of intra-subject variability (ISV) for ADHD traits in a community-based sample and the stability of the...
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StartPage 67
SubjectTerms Adolescent
Attention Deficit Disorder with Hyperactivity - diagnosis
Child
Humans
Intelligence
Reaction Time
Title Intra-Subject Variability, Intelligence, and ADHD Traits in a Community-Based Sample
URI https://journals.sagepub.com/doi/full/10.1177/10870547221118523
https://www.ncbi.nlm.nih.gov/pubmed/36082454
https://www.proquest.com/docview/2712857546
Volume 27
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