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Auteur Wendy ROBERTS |
Documents disponibles écrits par cet auteur (38)
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Investigating the Measurement Properties of the Social Responsiveness Scale in Preschool Children with Autism Spectrum Disorders / Eric DUKU in Journal of Autism and Developmental Disorders, 43-4 (April 2013)
[article]
Titre : Investigating the Measurement Properties of the Social Responsiveness Scale in Preschool Children with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Eric DUKU, Auteur ; Tracy VAILLANCOURT, Auteur ; Peter SZATMARI, Auteur ; Stelios GEORGIADES, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Isabel M. SMITH, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Pat MIRENDA, Auteur ; Wendy ROBERTS, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Ann THOMPSON, Auteur ; Teresa BENNETT, Auteur Article en page(s) : p.860-868 Langues : Anglais (eng) Mots-clés : Social Responsiveness Scale Autism spectrum disorders Measurement Confirmatory factor analysis Rasch analyses Structural equation modelling Index. décimale : PER Périodiques Résumé : The purpose of this study was to examine the measurement properties of the Social Responsiveness Scale in an accelerated longitudinal sample of 4-year-old preschool children with the complementary approaches of categorical confirmatory factor analysis and Rasch analysis. Measurement models based on the literature and other hypothesized measurement models which were tested using categorical confirmatory factor analysis did not fit well and were not unidimensional. Rasch analyses showed that a 30-item subset met criteria of unidimensionality and invariance across item, person, and over time; and this subset exhibited convergent validity with other child outcomes. This subset was shown to have enhanced psychometric properties and could be used in measuring social responsiveness among preschool age children with Autism Spectrum Disorders. En ligne : http://dx.doi.org/10.1007/s10803-012-1627-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=194
in Journal of Autism and Developmental Disorders > 43-4 (April 2013) . - p.860-868[article] Investigating the Measurement Properties of the Social Responsiveness Scale in Preschool Children with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Eric DUKU, Auteur ; Tracy VAILLANCOURT, Auteur ; Peter SZATMARI, Auteur ; Stelios GEORGIADES, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Isabel M. SMITH, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Pat MIRENDA, Auteur ; Wendy ROBERTS, Auteur ; Joanne VOLDEN, Auteur ; Charlotte WADDELL, Auteur ; Ann THOMPSON, Auteur ; Teresa BENNETT, Auteur . - p.860-868.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 43-4 (April 2013) . - p.860-868
Mots-clés : Social Responsiveness Scale Autism spectrum disorders Measurement Confirmatory factor analysis Rasch analyses Structural equation modelling Index. décimale : PER Périodiques Résumé : The purpose of this study was to examine the measurement properties of the Social Responsiveness Scale in an accelerated longitudinal sample of 4-year-old preschool children with the complementary approaches of categorical confirmatory factor analysis and Rasch analysis. Measurement models based on the literature and other hypothesized measurement models which were tested using categorical confirmatory factor analysis did not fit well and were not unidimensional. Rasch analyses showed that a 30-item subset met criteria of unidimensionality and invariance across item, person, and over time; and this subset exhibited convergent validity with other child outcomes. This subset was shown to have enhanced psychometric properties and could be used in measuring social responsiveness among preschool age children with Autism Spectrum Disorders. En ligne : http://dx.doi.org/10.1007/s10803-012-1627-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=194 Investigating the structure of the restricted, repetitive behaviours and interests domain of autism / Peter SZATMARI in Journal of Child Psychology and Psychiatry, 47-6 (June 2006)
[article]
Titre : Investigating the structure of the restricted, repetitive behaviours and interests domain of autism Type de document : Texte imprimé et/ou numérique Auteurs : Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Wendy ROBERTS, Auteur ; Stelios GEORGIADES, Auteur ; William MAHONEY, Auteur ; Jeremy GOLDBERG, Auteur ; Lawrence TUFF, Auteur Année de publication : 2006 Article en page(s) : p.582–590 Langues : Anglais (eng) Mots-clés : Pervasive-developmental-disorders autism restricted-repetitive-behaviours-and-interests principal-components-analysis structure-of-autism-domains genetic studies Index. décimale : PER Périodiques Résumé : Background: The Restricted, Repetitive Behaviours and Interests (RRBIs) are represented in the DSM-IV and measured by the Autism Diagnostic Interview-Revised (ADI-R) as one of the three homogeneous symptom categories of Pervasive Developmental Disorders. Although this conceptualisation is well accepted in the field, the grouping of symptoms is based primarily on clinical judgment rather than on empirical evidence.
Methods: The objective of this study was to examine the factor structure of the RRBI domain of autism. Eleven items from this domain of the ADI-R were used in a Principal Components Analysis (PCA). Our sample consisted of 339 individuals with a Best Estimate diagnosis of Pervasive Developmental Disorder (PDD).
Results: Findings indicate that the RRBI domain is composed of two distinct factors or dimensions: Insistence on Sameness (IS) and Repetitive Sensory and Motor Behaviours (RSMB). RSMB is negatively correlated with adaptive skills; that is, lower functioning individuals tend to have higher levels of repetitive sensory and motor behaviours. On the other hand, IS is positively correlated with autistic symptoms in the communication and language domain. Further analyses suggest moderate familial aggregation among affected sibling pairs within the IS but not the RSMB factor.
Conclusions: These results provide evidence for the heterogeneity of the RRBI domain of the ADI-R in terms of both clinical presentation and other correlates. In addition, the IS factor seems to be under familial (presumably genetic) control, while RSMB appears to simply reflect variation in developmental level.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2005.01537.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=743
in Journal of Child Psychology and Psychiatry > 47-6 (June 2006) . - p.582–590[article] Investigating the structure of the restricted, repetitive behaviours and interests domain of autism [Texte imprimé et/ou numérique] / Peter SZATMARI, Auteur ; Susan E. BRYSON, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Wendy ROBERTS, Auteur ; Stelios GEORGIADES, Auteur ; William MAHONEY, Auteur ; Jeremy GOLDBERG, Auteur ; Lawrence TUFF, Auteur . - 2006 . - p.582–590.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 47-6 (June 2006) . - p.582–590
Mots-clés : Pervasive-developmental-disorders autism restricted-repetitive-behaviours-and-interests principal-components-analysis structure-of-autism-domains genetic studies Index. décimale : PER Périodiques Résumé : Background: The Restricted, Repetitive Behaviours and Interests (RRBIs) are represented in the DSM-IV and measured by the Autism Diagnostic Interview-Revised (ADI-R) as one of the three homogeneous symptom categories of Pervasive Developmental Disorders. Although this conceptualisation is well accepted in the field, the grouping of symptoms is based primarily on clinical judgment rather than on empirical evidence.
Methods: The objective of this study was to examine the factor structure of the RRBI domain of autism. Eleven items from this domain of the ADI-R were used in a Principal Components Analysis (PCA). Our sample consisted of 339 individuals with a Best Estimate diagnosis of Pervasive Developmental Disorder (PDD).
Results: Findings indicate that the RRBI domain is composed of two distinct factors or dimensions: Insistence on Sameness (IS) and Repetitive Sensory and Motor Behaviours (RSMB). RSMB is negatively correlated with adaptive skills; that is, lower functioning individuals tend to have higher levels of repetitive sensory and motor behaviours. On the other hand, IS is positively correlated with autistic symptoms in the communication and language domain. Further analyses suggest moderate familial aggregation among affected sibling pairs within the IS but not the RSMB factor.
Conclusions: These results provide evidence for the heterogeneity of the RRBI domain of the ADI-R in terms of both clinical presentation and other correlates. In addition, the IS factor seems to be under familial (presumably genetic) control, while RSMB appears to simply reflect variation in developmental level.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2005.01537.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=743 Joint trajectories of internalizing and externalizing problems in preschool children with autism spectrum disorder / Tracy VAILLANCOURT in Development and Psychopathology, 29-1 (February 2017)
[article]
Titre : Joint trajectories of internalizing and externalizing problems in preschool children with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Tracy VAILLANCOURT, Auteur ; John D. HALTIGAN, Auteur ; Isabel SMITH, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Peter SZATMARI, Auteur ; Eric FOMBONNE, Auteur ; Charlotte WADDELL, Auteur ; Eric DUKU, Auteur ; Pat MIRENDA, Auteur ; Stelios GEORGIADES, Auteur ; Teresa BENNETT, Auteur ; Joanne VOLDEN, Auteur ; Mayada ELSABBAGH, Auteur ; Wendy ROBERTS, Auteur ; Susan E. BRYSON, Auteur Article en page(s) : p.203-214 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : AbstractThe co-occurring development of internalizing and externalizing problems were examined in an inception cohort of 392 children diagnosed with autism spectrum disorder at age 3 who were assessed on four occasions. Results indicated that internalizing and externalizing problems were stable over time and highly comorbid. Joint trajectory analysis suggested that 13% of the sample followed a dual high-risk trajectory. High risk was not found to be associated with intellectual ability or autism spectrum disorder symptom severity but was linked to lower income and gender: more girls than boys were found in the high/stable internalizing problems trajectory. The results suggest that 1 in 4 preschoolers followed a trajectory of internalizing or externalizing problems (or a combination of the two) that could be characterized as clinically elevated. En ligne : http://dx.doi.org/10.1017/s0954579416000043 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=298
in Development and Psychopathology > 29-1 (February 2017) . - p.203-214[article] Joint trajectories of internalizing and externalizing problems in preschool children with autism spectrum disorder [Texte imprimé et/ou numérique] / Tracy VAILLANCOURT, Auteur ; John D. HALTIGAN, Auteur ; Isabel SMITH, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Peter SZATMARI, Auteur ; Eric FOMBONNE, Auteur ; Charlotte WADDELL, Auteur ; Eric DUKU, Auteur ; Pat MIRENDA, Auteur ; Stelios GEORGIADES, Auteur ; Teresa BENNETT, Auteur ; Joanne VOLDEN, Auteur ; Mayada ELSABBAGH, Auteur ; Wendy ROBERTS, Auteur ; Susan E. BRYSON, Auteur . - p.203-214.
Langues : Anglais (eng)
in Development and Psychopathology > 29-1 (February 2017) . - p.203-214
Index. décimale : PER Périodiques Résumé : AbstractThe co-occurring development of internalizing and externalizing problems were examined in an inception cohort of 392 children diagnosed with autism spectrum disorder at age 3 who were assessed on four occasions. Results indicated that internalizing and externalizing problems were stable over time and highly comorbid. Joint trajectory analysis suggested that 13% of the sample followed a dual high-risk trajectory. High risk was not found to be associated with intellectual ability or autism spectrum disorder symptom severity but was linked to lower income and gender: more girls than boys were found in the high/stable internalizing problems trajectory. The results suggest that 1 in 4 preschoolers followed a trajectory of internalizing or externalizing problems (or a combination of the two) that could be characterized as clinically elevated. En ligne : http://dx.doi.org/10.1017/s0954579416000043 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=298 Measures of Cortical Grey Matter Structure and Development in Children with Autism Spectrum Disorder / Kathleen M. MAK-FAN in Journal of Autism and Developmental Disorders, 42-3 (March 2012)
[article]
Titre : Measures of Cortical Grey Matter Structure and Development in Children with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Kathleen M. MAK-FAN, Auteur ; Margot J. TAYLOR, Auteur ; Wendy ROBERTS, Auteur ; Jason LERCH, Auteur Année de publication : 2012 Article en page(s) : p.419-427 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder Brain structure Volume Surface area Cortical thickness Development Index. décimale : PER Périodiques Résumé : The current study examined group differences in cortical volume, surface area, and thickness with age, in a group of typically developing children and a group of children with ASD aged 6–15 years. Results showed evidence of age by group interactions, suggesting atypicalities in the relation between these measures and age in the ASD group. Additional vertex-based analyses of cortical thickness revealed that specific regions in the left inferior frontal gyrus (BA 44) and left precuneus showed thicker cortex for the ASD group at younger ages only. These data support the hypothesis of an abnormal developmental trajectory of the cortex in ASD, which could have profound effects on other aspects of neural development in children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-011-1261-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=152
in Journal of Autism and Developmental Disorders > 42-3 (March 2012) . - p.419-427[article] Measures of Cortical Grey Matter Structure and Development in Children with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Kathleen M. MAK-FAN, Auteur ; Margot J. TAYLOR, Auteur ; Wendy ROBERTS, Auteur ; Jason LERCH, Auteur . - 2012 . - p.419-427.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 42-3 (March 2012) . - p.419-427
Mots-clés : Autism spectrum disorder Brain structure Volume Surface area Cortical thickness Development Index. décimale : PER Périodiques Résumé : The current study examined group differences in cortical volume, surface area, and thickness with age, in a group of typically developing children and a group of children with ASD aged 6–15 years. Results showed evidence of age by group interactions, suggesting atypicalities in the relation between these measures and age in the ASD group. Additional vertex-based analyses of cortical thickness revealed that specific regions in the left inferior frontal gyrus (BA 44) and left precuneus showed thicker cortex for the ASD group at younger ages only. These data support the hypothesis of an abnormal developmental trajectory of the cortex in ASD, which could have profound effects on other aspects of neural development in children with ASD. En ligne : http://dx.doi.org/10.1007/s10803-011-1261-6 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=152 Modeling the Phenotypic Architecture of Autism Symptoms from Time of Diagnosis to Age 6 / Stelios GEORGIADES in Journal of Autism and Developmental Disorders, 44-12 (December 2014)
[article]
Titre : Modeling the Phenotypic Architecture of Autism Symptoms from Time of Diagnosis to Age 6 Type de document : Texte imprimé et/ou numérique Auteurs : Stelios GEORGIADES, Auteur ; Michael H. BOYLE, Auteur ; Peter SZATMARI, Auteur ; Steven HANNA, Auteur ; Eric DUKU, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Joanne VOLDEN, Auteur ; Pat MIRENDA, Auteur ; Isabel SMITH, Auteur ; Wendy ROBERTS, Auteur ; Tracy VAILLANCOURT, Auteur ; Charlotte WADDELL, Auteur ; Teresa BENNETT, Auteur ; Mayada ELSABBAGH, Auteur ; Ann THOMPSON, Auteur Article en page(s) : p.3045-3055 Langues : Anglais (eng) Mots-clés : Autism symptoms Classification Phenotypic heterogeneity Index. décimale : PER Périodiques Résumé : The latent class structure of autism symptoms from the time of diagnosis to age 6 years was examined in a sample of 280 children with autism spectrum disorder. Factor mixture modeling was performed on 26 algorithm items from the Autism Diagnostic Interview - Revised at diagnosis (Time 1) and again at age 6 (Time 2). At Time 1, a “2-factor/3-class” model provided the best fit to the data. At Time 2, a “2-factor/2-class” model provided the best fit to the data. Longitudinal (repeated measures) analysis of variance showed that the “2-factor/3-class” model derived at the time of diagnosis allows for the identification of a subgroup of children (9 % of sample) who exhibit notable reduction in symptom severity. En ligne : http://dx.doi.org/10.1007/s10803-014-2167-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=243
in Journal of Autism and Developmental Disorders > 44-12 (December 2014) . - p.3045-3055[article] Modeling the Phenotypic Architecture of Autism Symptoms from Time of Diagnosis to Age 6 [Texte imprimé et/ou numérique] / Stelios GEORGIADES, Auteur ; Michael H. BOYLE, Auteur ; Peter SZATMARI, Auteur ; Steven HANNA, Auteur ; Eric DUKU, Auteur ; Lonnie ZWAIGENBAUM, Auteur ; Susan E. BRYSON, Auteur ; Eric FOMBONNE, Auteur ; Joanne VOLDEN, Auteur ; Pat MIRENDA, Auteur ; Isabel SMITH, Auteur ; Wendy ROBERTS, Auteur ; Tracy VAILLANCOURT, Auteur ; Charlotte WADDELL, Auteur ; Teresa BENNETT, Auteur ; Mayada ELSABBAGH, Auteur ; Ann THOMPSON, Auteur . - p.3045-3055.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-12 (December 2014) . - p.3045-3055
Mots-clés : Autism symptoms Classification Phenotypic heterogeneity Index. décimale : PER Périodiques Résumé : The latent class structure of autism symptoms from the time of diagnosis to age 6 years was examined in a sample of 280 children with autism spectrum disorder. Factor mixture modeling was performed on 26 algorithm items from the Autism Diagnostic Interview - Revised at diagnosis (Time 1) and again at age 6 (Time 2). At Time 1, a “2-factor/3-class” model provided the best fit to the data. At Time 2, a “2-factor/2-class” model provided the best fit to the data. Longitudinal (repeated measures) analysis of variance showed that the “2-factor/3-class” model derived at the time of diagnosis allows for the identification of a subgroup of children (9 % of sample) who exhibit notable reduction in symptom severity. En ligne : http://dx.doi.org/10.1007/s10803-014-2167-x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=243 Parents’ Perspectives on Participating in Genetic Research in Autism / Magan TROTTIER in Journal of Autism and Developmental Disorders, 43-3 (March 2013)
PermalinkPerspectives of Health Care Providers Regarding Emergency Department Care of Children and Youth with Autism Spectrum Disorder / Lonnie ZWAIGENBAUM in Journal of Autism and Developmental Disorders, 46-5 (May 2016)
PermalinkPhenotypic Overlap Between Core Diagnostic Features and Emotional/Behavioral Problems in Preschool Children with Autism Spectrum Disorder / Stelios GEORGIADES in Journal of Autism and Developmental Disorders, 41-10 (October 2011)
PermalinkA Prospective Case Series of High-risk Infants who Developed Autism / Susan E. BRYSON in Journal of Autism and Developmental Disorders, 37-1 (January 2007)
PermalinkA randomized, placebo controlled trial of omega-3 fatty acids in the treatment of young children with autism / Deepali MANKAD in Molecular Autism, (March 2015)
PermalinkRecurrent duplications of the annexin A1 gene (ANXA1) in autism spectrum disorders / Catarina T. CORREIA in Molecular Autism, (April 2014)
PermalinkRegional differences in grey and white matter in children and adults with autism spectrum disorders: an activation likelihood estimate (ALE) meta-analysis / Emma G. DUERDEN in Autism Research, 5-1 (February 2012)
PermalinkRelationship Between Early Social-Emotional Behavior and Autism Spectrum Disorder: A High-Risk Sibling Study / Sarah RAZA in Journal of Autism and Developmental Disorders, 50-7 (July 2020)
PermalinkScreening for Behavioral Signs of Autism Spectrum Disorder in 9-Month-Old Infant Siblings / Lori-Ann R. SACREY in Journal of Autism and Developmental Disorders, 51-3 (March 2021)
PermalinkSex Differences in Children with Autism Spectrum Disorder Identified Within a High-Risk Infant Cohort / Lonnie ZWAIGENBAUM in Journal of Autism and Developmental Disorders, 42-12 (December 2012)
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