Defining characteristics for young children meeting cutoff on the modified checklist for autism in toddlers / Alison M. KOZLOWSKI in Research in Autism Spectrum Disorders, 6-1 (January-March 2012)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 6-1 (January-March 2012) . - p.472-479 Titre : Defining characteristics for young children meeting cutoff on the modified checklist for autism in toddlers Type de document : Texte imprimé et/ou numérique Auteurs : Alison M. KOZLOWSKI, Auteur ; Johnny L. MATSON, Auteur ; Julie A. WORLEY, Auteur ; Megan SIPES, Auteur ; Max HOROVITZ, Auteur Année de publication : 2012 Article en page(s) : p.472-479 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Early diagnosis of Autism Spectrum Disorders (ASDs) is crucial so that early intervention services, which have been found to best alleviate symptoms of ASD in children, can be implemented. Currently, the Modified Checklist for Autism in Toddlers (M-CHAT) and the Baby and Infant Screen for Children with aUtIsm Traits-Part 1 (BISCUIT-Part 1) are the most widely researched ASD measures in early childhood. However, the M-CHAT provides many false positive results as it is solely used as a screening instrument as opposed to a diagnostic measure, while the BISCUIT-Part 1 appears to have more diagnostic fidelity. The current study examined 243 toddlers who failed the M-CHAT screener and were therefore referred for further evaluation. Upon further evaluation, 141 of the toddlers were diagnosed with an ASD while the remaining 102 were not. Characteristics differentiating these two groups on the M-CHAT, BISCUIT-Part 1, and Battelle Developmental Inventory, Second Edition (BDI-II) were examined with analyses supporting the hypotheses that children in the ASD group had higher M-CHAT and BISCUIT-Part 1 scores in conjunction with lower BDI-II scores. Based on these results, the incremental predictive validity of the M-CHAT was assessed; the BISCUIT-Part 1 was found to be more accurate in arriving at ASD diagnoses. The implications of these findings are discussed. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.07.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=146 [article] Defining characteristics for young children meeting cutoff on the modified checklist for autism in toddlers [Texte imprimé et/ou numérique] / Alison M. KOZLOWSKI, Auteur ; Johnny L. MATSON, Auteur ; Julie A. WORLEY, Auteur ; Megan SIPES, Auteur ; Max HOROVITZ, Auteur . - 2012 . - p.472-479. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 6-1 (January-March 2012) . - p.472-479 Index. décimale : PER Périodiques Résumé : Early diagnosis of Autism Spectrum Disorders (ASDs) is crucial so that early intervention services, which have been found to best alleviate symptoms of ASD in children, can be implemented. Currently, the Modified Checklist for Autism in Toddlers (M-CHAT) and the Baby and Infant Screen for Children with aUtIsm Traits-Part 1 (BISCUIT-Part 1) are the most widely researched ASD measures in early childhood. However, the M-CHAT provides many false positive results as it is solely used as a screening instrument as opposed to a diagnostic measure, while the BISCUIT-Part 1 appears to have more diagnostic fidelity. The current study examined 243 toddlers who failed the M-CHAT screener and were therefore referred for further evaluation. Upon further evaluation, 141 of the toddlers were diagnosed with an ASD while the remaining 102 were not. Characteristics differentiating these two groups on the M-CHAT, BISCUIT-Part 1, and Battelle Developmental Inventory, Second Edition (BDI-II) were examined with analyses supporting the hypotheses that children in the ASD group had higher M-CHAT and BISCUIT-Part 1 scores in conjunction with lower BDI-II scores. Based on these results, the incremental predictive validity of the M-CHAT was assessed; the BISCUIT-Part 1 was found to be more accurate in arriving at ASD diagnoses. The implications of these findings are discussed. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.07.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=146

Factor Structure for Autism Spectrum Disorders with Toddlers Using DSM-IV and DSM-5 Criteria / Megan SIPES in Journal of Autism and Developmental Disorders, 44-3 (March 2014)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 44-3 (March 2014) . - p.636-647 Titre : Factor Structure for Autism Spectrum Disorders with Toddlers Using DSM-IV and DSM-5 Criteria Type de document : Texte imprimé et/ou numérique Auteurs : Megan SIPES, Auteur ; Johnny L. MATSON, Auteur Article en page(s) : p.636-647 Langues : Anglais (eng) Mots-clés : Autism  DSM-5  BISCUIT  CFA Index. décimale : PER Périodiques Résumé : With the publication of the Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition, autism spectrum disorders are defined by two symptom clusters (social communication and restricted/repetitive behaviors) instead of the current three clusters. The current study examined the structure of the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT). First, an exploratory factor analysis was replicated whose results were largely comparable to the previous findings. Then, confirmatory factor analyses compared a two and three factor structure for the BISCUIT. Measures of model fit supported both the two and three factor models relatively well. When directly compared, the three factor model was found to be preferred over the two factor model. Implications are discussed. En ligne : http://dx.doi.org/10.1007/s10803-013-1919-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=225 [article] Factor Structure for Autism Spectrum Disorders with Toddlers Using DSM-IV and DSM-5 Criteria [Texte imprimé et/ou numérique] / Megan SIPES, Auteur ; Johnny L. MATSON, Auteur . - p.636-647. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 44-3 (March 2014) . - p.636-647 Mots-clés : Autism  DSM-5  BISCUIT  CFA Index. décimale : PER Périodiques Résumé : With the publication of the Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition, autism spectrum disorders are defined by two symptom clusters (social communication and restricted/repetitive behaviors) instead of the current three clusters. The current study examined the structure of the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT). First, an exploratory factor analysis was replicated whose results were largely comparable to the previous findings. Then, confirmatory factor analyses compared a two and three factor structure for the BISCUIT. Measures of model fit supported both the two and three factor models relatively well. When directly compared, the three factor model was found to be preferred over the two factor model. Implications are discussed. En ligne : http://dx.doi.org/10.1007/s10803-013-1919-3 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=225

Gender differences in symptoms of Autism Spectrum Disorders in toddlers / Megan SIPES in Research in Autism Spectrum Disorders, 5-4 (October-December 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-4 (October-December 2011) . - p.1465-1470 Titre : Gender differences in symptoms of Autism Spectrum Disorders in toddlers Type de document : Texte imprimé et/ou numérique Auteurs : Megan SIPES, Auteur ; Johnny L. MATSON, Auteur ; Julie A. WORLEY, Auteur ; Alison M. KOZLOWSKI, Auteur Année de publication : 2011 Article en page(s) : p.1465-1470 Langues : Anglais (eng) Mots-clés : ASD  Gender differences  Toddlers  BISCUIT Index. décimale : PER Périodiques Résumé : Gender differences in symptoms representing the triad of impairments of Autism Spectrum Disorders remain unclear. To date, the majority of research conducted on this topic has utilized samples of older children. Thus, the purpose of the current study was to utilize a sample of toddlers to investigate gender differences in symptom endorsements of ASD. Also, deficits in areas such as cognition have been shown to affect gender in this same population (i.e., gender ratios). Therefore, each toddler's level of developmental ability was accounted for in the current study. In this sample of toddlers, gender differences were only found in regards to the restricted interests and repetitive behavior domain, with females with an average Developmental Quotient having significantly fewer endorsements on items related to restrictive and repetitive behaviors. Implications of the findings are discussed. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.02.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=126 [article] Gender differences in symptoms of Autism Spectrum Disorders in toddlers [Texte imprimé et/ou numérique] / Megan SIPES, Auteur ; Johnny L. MATSON, Auteur ; Julie A. WORLEY, Auteur ; Alison M. KOZLOWSKI, Auteur . - 2011 . - p.1465-1470. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-4 (October-December 2011) . - p.1465-1470 Mots-clés : ASD  Gender differences  Toddlers  BISCUIT Index. décimale : PER Périodiques Résumé : Gender differences in symptoms representing the triad of impairments of Autism Spectrum Disorders remain unclear. To date, the majority of research conducted on this topic has utilized samples of older children. Thus, the purpose of the current study was to utilize a sample of toddlers to investigate gender differences in symptom endorsements of ASD. Also, deficits in areas such as cognition have been shown to affect gender in this same population (i.e., gender ratios). Therefore, each toddler's level of developmental ability was accounted for in the current study. In this sample of toddlers, gender differences were only found in regards to the restricted interests and repetitive behavior domain, with females with an average Developmental Quotient having significantly fewer endorsements on items related to restrictive and repetitive behaviors. Implications of the findings are discussed. En ligne : http://dx.doi.org/10.1016/j.rasd.2011.02.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=126

Measures Used to Screen and Diagnose ASD in Young Children / Megan SIPES

Public ISBD in Handbook of Early Intervention for Autism Spectrum Disorders / Jonathan TARBOX Titre : Measures Used to Screen and Diagnose ASD in Young Children Type de document : Texte imprimé et/ou numérique Auteurs : Megan SIPES, Auteur ; Johnny L. MATSON, Auteur Année de publication : 2014 Importance : p.87-103 Langues : Anglais (eng) Mots-clés : Screening  Diagnosis  Measurement Index. décimale : APP-D APP-D - Interventions Educatives - Généralités Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=265 in Handbook of Early Intervention for Autism Spectrum Disorders / Jonathan TARBOX Measures Used to Screen and Diagnose ASD in Young Children [Texte imprimé et/ou numérique] / Megan SIPES, Auteur ; Johnny L. MATSON, Auteur . - 2014 . - p.87-103. Langues : Anglais (eng) Mots-clés : Screening  Diagnosis  Measurement Index. décimale : APP-D APP-D - Interventions Educatives - Généralités Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=265

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Prevalence of autism spectrum disorders in toddlers receiving early intervention services / Julie A. WORLEY in Research in Autism Spectrum Disorders, 5-2 (April-June 2011)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 5-2 (April-June 2011) . - p.920-925 Titre : Prevalence of autism spectrum disorders in toddlers receiving early intervention services Type de document : Texte imprimé et/ou numérique Auteurs : Julie A. WORLEY, Auteur ; Johnny L. MATSON, Auteur ; Megan SIPES, Auteur ; Alison M. KOZLOWSKI, Auteur Année de publication : 2011 Article en page(s) : p.920-925 Langues : Anglais (eng) Mots-clés : Autism  ASD  PDD-NOS  Prevalence rates  Gender differences  BISCUIT Index. décimale : PER Périodiques Résumé : The prevalence of autism spectrum disorders (ASD) continues to be a source of debate among researchers and clinicians. Prevalence studies are of the utmost importance in order to obtain an accurate picture of the true prevalence rate of ASD and because these rates continue to be on the rise. To date, studies examining prevalence rates have utilized community or clinical populations. Therefore, the aim of the current study was to utilize a sample of toddlers at risk for or currently diagnosed with a developmental delay (N = 2027) to determine the prevalence rate in this young population. As anticipated, the prevalence rates of ASD were much higher in this at risk sample of toddlers compared to rates reported in community or clinical samples. In addition, gender differences in prevalence rates emerged. However, the differences between these rates were not as pronounced as in other previously studied populations. These results underscore the necessity to routinely assess toddlers for the presence of symptoms of ASD who are already receiving early intervention services for other developmental delays. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.10.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=114 [article] Prevalence of autism spectrum disorders in toddlers receiving early intervention services [Texte imprimé et/ou numérique] / Julie A. WORLEY, Auteur ; Johnny L. MATSON, Auteur ; Megan SIPES, Auteur ; Alison M. KOZLOWSKI, Auteur . - 2011 . - p.920-925. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 5-2 (April-June 2011) . - p.920-925 Mots-clés : Autism  ASD  PDD-NOS  Prevalence rates  Gender differences  BISCUIT Index. décimale : PER Périodiques Résumé : The prevalence of autism spectrum disorders (ASD) continues to be a source of debate among researchers and clinicians. Prevalence studies are of the utmost importance in order to obtain an accurate picture of the true prevalence rate of ASD and because these rates continue to be on the rise. To date, studies examining prevalence rates have utilized community or clinical populations. Therefore, the aim of the current study was to utilize a sample of toddlers at risk for or currently diagnosed with a developmental delay (N = 2027) to determine the prevalence rate in this young population. As anticipated, the prevalence rates of ASD were much higher in this at risk sample of toddlers compared to rates reported in community or clinical samples. In addition, gender differences in prevalence rates emerged. However, the differences between these rates were not as pronounced as in other previously studied populations. These results underscore the necessity to routinely assess toddlers for the presence of symptoms of ASD who are already receiving early intervention services for other developmental delays. En ligne : http://dx.doi.org/10.1016/j.rasd.2010.10.007 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=114

True versus false positives and negatives on the Modified Checklist For Autism in Toddlers / Johnny L. MATSON in Research in Autism Spectrum Disorders, 7-1 (January 2013)  

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