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Deconstructing the PDD clinical phenotype: internal validity of the DSM-IV / Luc LECAVALIER in Journal of Child Psychology and Psychiatry, 50-10 (October 2009)
[article]
Titre : Deconstructing the PDD clinical phenotype: internal validity of the DSM-IV Type de document : Texte imprimé et/ou numérique Auteurs : Luc LECAVALIER, Auteur ; Kenneth D. GADOW, Auteur ; Carla DEVINCENT, Auteur ; Michael C. EDWARDS, Auteur ; Carrie HOUTS, Auteur Année de publication : 2009 Article en page(s) : p.1246-1254 Langues : Anglais (eng) Mots-clés : Validity autism pervasive-developmental-disorder psychiatric-disorder nosology factor-analysis Index. décimale : PER Périodiques Résumé : Background: Empirical studies of the structure of autism symptoms have challenged the three-domain model of impairment currently characterizing pervasive developmental disorders (PDD). The objective of this study was to assess the internal validity of the DSM as a conceptual model for describing PDD, while paying particular attention to certain subject characteristics.
Methods: Parents and teachers completed a DSM-IV-referenced rating scale for 3- to 12-year-old clinic referrals with a PDD (n = 730). Ratings were submitted to confirmatory factor analysis and different models were assessed for fit.
Results: Measures of fit indicated that the three-factor solution based on the DSM was superior to other models. Most indices of fit were acceptable, but showed room for improvement. Fit indices varied according to the rater (parent or teacher), child's age (preschool versus school aged), PDD subtype (autism, Asperger's, pervasive developmental disorder not otherwise specified (PDDNOS)), and IQ.
Conclusions: More research needs to be done before discarding current classification systems. Subject characteristics, modality of assessment, and procedural variations in statistical analyses impact conclusions about the structure of PDD symptoms.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02104.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=838
in Journal of Child Psychology and Psychiatry > 50-10 (October 2009) . - p.1246-1254[article] Deconstructing the PDD clinical phenotype: internal validity of the DSM-IV [Texte imprimé et/ou numérique] / Luc LECAVALIER, Auteur ; Kenneth D. GADOW, Auteur ; Carla DEVINCENT, Auteur ; Michael C. EDWARDS, Auteur ; Carrie HOUTS, Auteur . - 2009 . - p.1246-1254.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 50-10 (October 2009) . - p.1246-1254
Mots-clés : Validity autism pervasive-developmental-disorder psychiatric-disorder nosology factor-analysis Index. décimale : PER Périodiques Résumé : Background: Empirical studies of the structure of autism symptoms have challenged the three-domain model of impairment currently characterizing pervasive developmental disorders (PDD). The objective of this study was to assess the internal validity of the DSM as a conceptual model for describing PDD, while paying particular attention to certain subject characteristics.
Methods: Parents and teachers completed a DSM-IV-referenced rating scale for 3- to 12-year-old clinic referrals with a PDD (n = 730). Ratings were submitted to confirmatory factor analysis and different models were assessed for fit.
Results: Measures of fit indicated that the three-factor solution based on the DSM was superior to other models. Most indices of fit were acceptable, but showed room for improvement. Fit indices varied according to the rater (parent or teacher), child's age (preschool versus school aged), PDD subtype (autism, Asperger's, pervasive developmental disorder not otherwise specified (PDDNOS)), and IQ.
Conclusions: More research needs to be done before discarding current classification systems. Subject characteristics, modality of assessment, and procedural variations in statistical analyses impact conclusions about the structure of PDD symptoms.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02104.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=838 Validation of DSM-IV Model of Psychiatric Syndromes in Children with Autism Spectrum Disorders / Luc LECAVALIER in Journal of Autism and Developmental Disorders, 39-2 (February 2009)
[article]
Titre : Validation of DSM-IV Model of Psychiatric Syndromes in Children with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Luc LECAVALIER, Auteur ; Kenneth D. GADOW, Auteur ; Carla DEVINCENT, Auteur ; Michael C. EDWARDS, Auteur Année de publication : 2009 Article en page(s) : p.278-289 Langues : Anglais (eng) Mots-clés : Validity Autism Pervasive-developmental-disorder Psychiatric-disorder Nosology Factor-analysis Index. décimale : PER Périodiques Résumé : The objective of this study was to assess the internal construct validity of the DSM-IV as a conceptual model for characterizing behavioral syndromes in children with ASD. Parent and teachers completed the Child Symptom Inventory-4, a DSM-IV-referenced rating scale, for 6-to-12 year old clinic referrals with an ASD (N = 498). Ratings were submitted to confirmatory factor analysis and models were assessed for fit. Results were also compared to those obtained for a sample of non-ASD psychiatric outpatient school-age children. Fit indices ranged from acceptable to good for the ASD samples and compared well to those obtained in typically developing children. Findings lend support to the notion that DSM-IV syndromes may be an appropriate conceptual model for characterizing psychopathology in ASD. En ligne : http://dx.doi.org/10.1007/s10803-008-0622-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=684
in Journal of Autism and Developmental Disorders > 39-2 (February 2009) . - p.278-289[article] Validation of DSM-IV Model of Psychiatric Syndromes in Children with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Luc LECAVALIER, Auteur ; Kenneth D. GADOW, Auteur ; Carla DEVINCENT, Auteur ; Michael C. EDWARDS, Auteur . - 2009 . - p.278-289.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 39-2 (February 2009) . - p.278-289
Mots-clés : Validity Autism Pervasive-developmental-disorder Psychiatric-disorder Nosology Factor-analysis Index. décimale : PER Périodiques Résumé : The objective of this study was to assess the internal construct validity of the DSM-IV as a conceptual model for characterizing behavioral syndromes in children with ASD. Parent and teachers completed the Child Symptom Inventory-4, a DSM-IV-referenced rating scale, for 6-to-12 year old clinic referrals with an ASD (N = 498). Ratings were submitted to confirmatory factor analysis and models were assessed for fit. Results were also compared to those obtained for a sample of non-ASD psychiatric outpatient school-age children. Fit indices ranged from acceptable to good for the ASD samples and compared well to those obtained in typically developing children. Findings lend support to the notion that DSM-IV syndromes may be an appropriate conceptual model for characterizing psychopathology in ASD. En ligne : http://dx.doi.org/10.1007/s10803-008-0622-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=684