• Confirmatory factor analysis of the behavior rating inventory of executive function in a neuro-pediatric sample and its application to mental disorders 

      Halvorsen, Marianne; Mathiassen, Børge; Amundsen, Tarjei; Ellingsen, Jonas; Brøndbo, Per Håkan; Sundby, Jørgen; Steinsvik, Oddmar; Martinussen, Monica (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-08-15)
      The construct validity of the 9-scale version of the Behavior Rating Inventory of Executive Function (BRIEF) parent form was examined in a clinical sample of children and adolescents with neurological and neurodevelopmental disorders (<i>N</i> = 281). Confirmatory factor analysis supported a three-factor model separating the inhibitory behavioral control dimension from the emotional control and ...
    • Examining the psychometric properties of the Norwegian version of the Social Aptitudes Scale in two clinical samples 

      Kaiser, Sabine; Mathiassen, Børge; Handegård, Bjørn Helge; Arnesen, Yngvild; Halvorsen, Marianne Berg (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-03)
      Background - Few studies have examined the psychometric properties of the Social Aptitudes Scale (SAS). The study aims of the current paper were to examine the internal consistency and the validity of the Norwegian SAS.<p> <p>Methods - Parents of children from a clinical neuropediatric sample (N = 257) and from a clinical sample from child and adolescent’s mental health services (N = 804) filled ...
    • IQ as a Predictor and Moderator of Children’s Mental Health Status 

      Mathiassen, Børge (Doctoral thesis; Doktorgradsavhandling, 2015-01-27)
    • Neurodevelopmental correlates of behavioural and emotional problems in a neuropaediatric sample 

      Halvorsen, Marianne; Mathiassen, Børge; Myrbakk, Even; Brøndbo, Per Håkan; Sætrum, Ane; Steinsvik, Oddmar; Martinussen, Monica (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-20)
      Most research does not address the overlap between neurodevelopmental disorders when investigating concomitant mental health problems. The purpose of the present study was to examine the association of intellectual disability (ID), autism spectrum disorder (ASD), and attention-deficit/hyperactivity disorder (ADHD) with the presence of behavioural and emotional problems after controlling for other ...
    • Psychometric Properties of the Norwegian Aberrant Behavior Checklist and Diagnostic Relationships in a Neuro-pediatric Sample 

      Halvorsen, Marianne; Aman, Michael G.; Mathiassen, Børge; Brøndbo, Per Håkan; Steinsvik, Ole Oddmar; Martinussen, Monica (Journal article; Tidsskriftartikkel, 2019-07-04)
      <i>Introduction</i>: Although the Aberrant Behavior Checklist (ABC) is one of the most widely used behavioral rating scales among people with developmental disabilities, very few studies have examined the factor structure of the non-English versions. <p> <p><i>Methods</i>: The construct validity of the Norwegian ABC was examined in a clinical sample of children and adolescents with neurological ...
    • Should Clinicians Split or Lump Psychiatric Symptoms? The Structure of Psychopathology in Two Large Pediatric Clinical Samples from England and Norway 

      Fernández de la Cruz, Lorena; Vidal-Ribas, Pablo; Zahreddine, Nada; Mathiassen, Børge; Brøndbo, Per Håkan; Simonoff, Emily; Goodman, Robert; Stringaris, Argyris (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-14)
      It has been suggested that the structure of psychiatric phenomena can be reduced to a few symptom dimensions. These proposals, mainly based on epidemiological samples, may not apply to clinical populations. We tested the structure of psychiatric symptoms across two pediatric clinical samples from England (N=8434) and Norway (N=5866). Confirmatory factor analyses of the parent-reported Strengths ...
    • Vurderingssamtaler – en gyllen mulighet for tillit og håp 

      Mathiassen, Børge; Arnesen, Yngvild; Bohne, Agnes (Journal article; Tidsskriftartikkel, 2022-05-19)
      Gjennom fokus på samvalg, mål og åpen dialog om hjelpebehov er vurderingssamtalen en gyllen mulighet for å skape tillit, engasjement og håp – og sikre at de kommer inn riktig dør til psykisk helsevern for barn og unge (PHBU).