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Dimensional profiling of psychopathology in children and adolescents based on the K-SADS-PL and an analysis of the construct validity of two ADHD symptom dimensions.

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Title: Dimensional profiling of psychopathology in children and adolescents based on the K-SADS-PL and an analysis of the construct validity of two ADHD symptom dimensions.
Authors: Hagstrøm, Julie (AUTHOR), Nielsen, Tine (AUTHOR), Sørensen, Mikkel E. (AUTHOR), Aagaard, Kristina (AUTHOR), Arendt Rasmussen, Morten (AUTHOR), Rosenberg, Julie B. (AUTHOR), Mohammadzadeh, Parisa (AUTHOR), Sevelsted, Astrid (AUTHOR), Hernández-Lorca, María (AUTHOR), Fagerlund, Birgitte (AUTHOR), Rydkjær, Jacob (AUTHOR), Pagsberg, Anne Katrine (AUTHOR), Kaufman, Joan (AUTHOR), Ebdrup, Bjørn H. (AUTHOR), Bilenberg, Niels (AUTHOR), Jepsen, Jens Richardt Møllegaard (AUTHOR)
Source: Nordic Journal of Psychiatry. Jan2024, Vol. 78 Issue 1, p71-78. 8p.
Subjects: Child psychopathology, Adolescent psychopathology, Test validity, Nosology, Rasch models
Abstract: The traditional view on psychiatric disorders as categorical and distinct is being challenged by perspectives emphasizing the relevance of dimensional and transdiagnostic assessment. However, most diagnostic instruments are based on a categorical view with a threshold-approach to disease classification. We here describe algorithms for dimensionalizing the psychopathological ratings of the widely used diagnostic interview for children and adolescents, the Kiddie-Schedule for Affective Disorders and Schizophrenia – Present and Lifetime Version (K-SADS-PL). We further evaluate the criterion-related construct validity of the dimensionalized attention-deficit/hyperactivity disorder (ADHD) scales using Rasch models in a sample of 590 children (mean age 10.29 (.36), 49% girls). The algorithms generate scores of current symptom load, i.e., the sum of clinician-rated symptoms within each disorder assessed with the interview. We found support for counting symptoms of inattention and hyperactivity/impulsivity, respectively, but not for a single combined ADHD scale. The algorithms constitute an initial step in creating a framework for clinician-rated dimensional analyses of symptoms derived from the K-SADS-PL, but future studies are needed to further evaluate the construct validity of the remaining scales and the reliability and clinical utility of the method. We believe that our proposed algorithms offer a novel method of dimensional psychopathological assessment, which can be applied in multiple branches of child and adolescent psychiatry. [ABSTRACT FROM AUTHOR]
Copyright of Nordic Journal of Psychiatry is the property of Taylor & Francis Ltd 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: Dimensional profiling of psychopathology in children and adolescents based on the K-SADS-PL and an analysis of the construct validity of two ADHD symptom dimensions.
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  Data: <searchLink fieldCode="AR" term="%22Hagstrøm%2C+Julie%22">Hagstrøm, Julie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nielsen%2C+Tine%22">Nielsen, Tine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sørensen%2C+Mikkel+E%2E%22">Sørensen, Mikkel E.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aagaard%2C+Kristina%22">Aagaard, Kristina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Arendt+Rasmussen%2C+Morten%22">Arendt Rasmussen, Morten</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rosenberg%2C+Julie+B%2E%22">Rosenberg, Julie B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mohammadzadeh%2C+Parisa%22">Mohammadzadeh, Parisa</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sevelsted%2C+Astrid%22">Sevelsted, Astrid</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hernández-Lorca%2C+María%22">Hernández-Lorca, María</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fagerlund%2C+Birgitte%22">Fagerlund, Birgitte</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rydkjær%2C+Jacob%22">Rydkjær, Jacob</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pagsberg%2C+Anne+Katrine%22">Pagsberg, Anne Katrine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kaufman%2C+Joan%22">Kaufman, Joan</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ebdrup%2C+Bjørn+H%2E%22">Ebdrup, Bjørn H.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bilenberg%2C+Niels%22">Bilenberg, Niels</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jepsen%2C+Jens+Richardt+Møllegaard%22">Jepsen, Jens Richardt Møllegaard</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nordic+Journal+of+Psychiatry%22">Nordic Journal of Psychiatry</searchLink>. Jan2024, Vol. 78 Issue 1, p71-78. 8p.
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– Name: Abstract
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  Data: The traditional view on psychiatric disorders as categorical and distinct is being challenged by perspectives emphasizing the relevance of dimensional and transdiagnostic assessment. However, most diagnostic instruments are based on a categorical view with a threshold-approach to disease classification. We here describe algorithms for dimensionalizing the psychopathological ratings of the widely used diagnostic interview for children and adolescents, the Kiddie-Schedule for Affective Disorders and Schizophrenia – Present and Lifetime Version (K-SADS-PL). We further evaluate the criterion-related construct validity of the dimensionalized attention-deficit/hyperactivity disorder (ADHD) scales using Rasch models in a sample of 590 children (mean age 10.29 (.36), 49% girls). The algorithms generate scores of current symptom load, i.e., the sum of clinician-rated symptoms within each disorder assessed with the interview. We found support for counting symptoms of inattention and hyperactivity/impulsivity, respectively, but not for a single combined ADHD scale. The algorithms constitute an initial step in creating a framework for clinician-rated dimensional analyses of symptoms derived from the K-SADS-PL, but future studies are needed to further evaluate the construct validity of the remaining scales and the reliability and clinical utility of the method. We believe that our proposed algorithms offer a novel method of dimensional psychopathological assessment, which can be applied in multiple branches of child and adolescent psychiatry. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nordic Journal of Psychiatry is the property of Taylor & Francis Ltd 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=174662188
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        Value: 10.1080/08039488.2023.2262997
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 71
    Subjects:
      – SubjectFull: Child psychopathology
        Type: general
      – SubjectFull: Adolescent psychopathology
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      – SubjectFull: Test validity
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      – SubjectFull: Nosology
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      – SubjectFull: Rasch models
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      – TitleFull: Dimensional profiling of psychopathology in children and adolescents based on the K-SADS-PL and an analysis of the construct validity of two ADHD symptom dimensions.
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