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Auteur Iliana MAGIATI |
Documents disponibles écrits par cet auteur (32)
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A Preliminary Investigation of the Spence Children’s Anxiety Parent Scale as a Screening Tool for Anxiety in Young People with Autism Spectrum Disorders / Hani ZAINAL in Journal of Autism and Developmental Disorders, 44-8 (August 2014)
[article]
Titre : A Preliminary Investigation of the Spence Children’s Anxiety Parent Scale as a Screening Tool for Anxiety in Young People with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Hani ZAINAL, Auteur ; Iliana MAGIATI, Auteur ; Julianne Wen-Li TAN, Auteur ; Min SUNG, Auteur ; Daniel S. S. FUNG, Auteur ; Patricia HOWLIN, Auteur Article en page(s) : p.1982-1994 Langues : Anglais (eng) Mots-clés : Autism spectrum disorders Anxiety Assessment Screening Psychometric Measurement Index. décimale : PER Périodiques Résumé : Despite high rates of clinically elevated anxiety difficulties in children and adolescents with autism spectrum disorders (ASDs), very few studies have systematically examined the usefulness of commonly used caregiver report anxiety screening tools with this population. This study investigated the use of the Spence Children’s Anxiety Scale-Parent version (SCAS-P) as a screening tool for anxiety disorders when compared to a standardized DSM-IV-TR-based clinical interview, the Kiddie-Schedule for Schizophrenia and Affective Disorders-Present and Lifetime version (K-SADS-PL). Thirty-two caregivers of youth with a clinical diagnosis of ASD (mean age 10.3 years) attending a specialist autism school participated in this study. They first completed the SCAS-P, a measure of adaptive functioning and a checklist of other emotional and behavioral difficulties. They were then interviewed with the K-SADS-PL. Internal consistency for the SCAS Total score was .88, but Cronbach’s alphas were .70 in three of the six SCAS-P subscales. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the SCAS-P against K-SADS diagnosis were .75, .71, .27, and .95, respectively. All values were .70, except for the PPV. Evidence of convergent validity between the SCAS-P, K-SADS-PL and DBC anxiety subscale was also found. The high false positive rates notwithstanding, the preliminary data of acceptable to excellent sensitivity, specificity and NPV values tentatively suggest that the SCAS-P may be useful for screening non-help seeking young people with ASD for elevated anxiety symptoms. Further replication in larger studies is needed and ways in which the SCAS-P could be further developed and investigated for use with youth with ASD are discussed. En ligne : http://dx.doi.org/10.1007/s10803-014-2075-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=236
in Journal of Autism and Developmental Disorders > 44-8 (August 2014) . - p.1982-1994[article] A Preliminary Investigation of the Spence Children’s Anxiety Parent Scale as a Screening Tool for Anxiety in Young People with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Hani ZAINAL, Auteur ; Iliana MAGIATI, Auteur ; Julianne Wen-Li TAN, Auteur ; Min SUNG, Auteur ; Daniel S. S. FUNG, Auteur ; Patricia HOWLIN, Auteur . - p.1982-1994.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-8 (August 2014) . - p.1982-1994
Mots-clés : Autism spectrum disorders Anxiety Assessment Screening Psychometric Measurement Index. décimale : PER Périodiques Résumé : Despite high rates of clinically elevated anxiety difficulties in children and adolescents with autism spectrum disorders (ASDs), very few studies have systematically examined the usefulness of commonly used caregiver report anxiety screening tools with this population. This study investigated the use of the Spence Children’s Anxiety Scale-Parent version (SCAS-P) as a screening tool for anxiety disorders when compared to a standardized DSM-IV-TR-based clinical interview, the Kiddie-Schedule for Schizophrenia and Affective Disorders-Present and Lifetime version (K-SADS-PL). Thirty-two caregivers of youth with a clinical diagnosis of ASD (mean age 10.3 years) attending a specialist autism school participated in this study. They first completed the SCAS-P, a measure of adaptive functioning and a checklist of other emotional and behavioral difficulties. They were then interviewed with the K-SADS-PL. Internal consistency for the SCAS Total score was .88, but Cronbach’s alphas were .70 in three of the six SCAS-P subscales. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the SCAS-P against K-SADS diagnosis were .75, .71, .27, and .95, respectively. All values were .70, except for the PPV. Evidence of convergent validity between the SCAS-P, K-SADS-PL and DBC anxiety subscale was also found. The high false positive rates notwithstanding, the preliminary data of acceptable to excellent sensitivity, specificity and NPV values tentatively suggest that the SCAS-P may be useful for screening non-help seeking young people with ASD for elevated anxiety symptoms. Further replication in larger studies is needed and ways in which the SCAS-P could be further developed and investigated for use with youth with ASD are discussed. En ligne : http://dx.doi.org/10.1007/s10803-014-2075-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=236 Stability of the Autism Diagnostic Interview—Revised from Pre-School to Elementary School Age in Children with Autism Spectrum Disorders / Jo MOSS in Journal of Autism and Developmental Disorders, 38-6 (July 2008)
[article]
Titre : Stability of the Autism Diagnostic Interview—Revised from Pre-School to Elementary School Age in Children with Autism Spectrum Disorders Type de document : Texte imprimé et/ou numérique Auteurs : Jo MOSS, Auteur ; Patricia HOWLIN, Auteur ; Tony CHARMAN, Auteur ; Iliana MAGIATI, Auteur Année de publication : 2008 Article en page(s) : p.1081-1091 Langues : Anglais (eng) Mots-clés : Autism-diagnostic-interview-revised Autism-spectrum-disorder Autism Longitudinal-study Symptom-severity Index. décimale : PER Périodiques Résumé : This study examined the stability of scores on the ADI-R from pre-school to elementary school age in children with autism spectrum disorders (ASD). Participants were 35 children who, at T1, all had a clinical diagnosis of ASD. On initial assessment (mean age 3.5 years; SD 0.6 years), all met ADI-R algorithm criteria for autism. ADI-R assessments were repeated at follow up (FU; mean age 10.5 years; SD 0.8 years). Changes in ADI-R total, domain and ADI-R algorithm item scores were assessed. Twenty-eight children continued to score above the ADI-R cut-off for autism at FU, although significant decreases in ADI-R domain and item scores were also found. In conclusion while classification of children according to ADI-R criteria generally remained stable between pre-school and elementary school age, many children demonstrated significant improvements in symptom severity. En ligne : http://dx.doi.org/10.1007/s10803-007-0487-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=474
in Journal of Autism and Developmental Disorders > 38-6 (July 2008) . - p.1081-1091[article] Stability of the Autism Diagnostic Interview—Revised from Pre-School to Elementary School Age in Children with Autism Spectrum Disorders [Texte imprimé et/ou numérique] / Jo MOSS, Auteur ; Patricia HOWLIN, Auteur ; Tony CHARMAN, Auteur ; Iliana MAGIATI, Auteur . - 2008 . - p.1081-1091.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 38-6 (July 2008) . - p.1081-1091
Mots-clés : Autism-diagnostic-interview-revised Autism-spectrum-disorder Autism Longitudinal-study Symptom-severity Index. décimale : PER Périodiques Résumé : This study examined the stability of scores on the ADI-R from pre-school to elementary school age in children with autism spectrum disorders (ASD). Participants were 35 children who, at T1, all had a clinical diagnosis of ASD. On initial assessment (mean age 3.5 years; SD 0.6 years), all met ADI-R algorithm criteria for autism. ADI-R assessments were repeated at follow up (FU; mean age 10.5 years; SD 0.8 years). Changes in ADI-R total, domain and ADI-R algorithm item scores were assessed. Twenty-eight children continued to score above the ADI-R cut-off for autism at FU, although significant decreases in ADI-R domain and item scores were also found. In conclusion while classification of children according to ADI-R criteria generally remained stable between pre-school and elementary school age, many children demonstrated significant improvements in symptom severity. En ligne : http://dx.doi.org/10.1007/s10803-007-0487-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=474 The Clinical Utility of the Modified Checklist for Autism in Toddlers with High Risk 18–48 Month Old Children in Singapore / Hwan Cui KOH in Journal of Autism and Developmental Disorders, 44-2 (February 2014)
[article]
Titre : The Clinical Utility of the Modified Checklist for Autism in Toddlers with High Risk 18–48 Month Old Children in Singapore Type de document : Texte imprimé et/ou numérique Auteurs : Hwan Cui KOH, Auteur ; Si Huan LIM, Auteur ; Gifford Jiguang CHAN, Auteur ; Marisa Bilin LIN, Auteur ; Hong Huay LIM, Auteur ; Sylvia Henn Tean CHOO, Auteur ; Iliana MAGIATI, Auteur Article en page(s) : p.405-416 Langues : Anglais (eng) Mots-clés : Autism spectrum disorders Screening Early identification M-CHAT Level 2 screening High risk children Index. décimale : PER Périodiques Résumé : The modified checklist for autism in toddlers (M-CHAT) is a tool developed for 16–30 month old children to screen for autism spectrum disorders (ASD). It is a well-researched tool, but little is known about its utility with Singaporean toddlers and with older children referred for developmental concerns. This study investigated the M-CHAT’s performance with 18–30 month old (N = 173) and 30–48 month old (N = 407) developmentally at-risk Singaporean children, when used with three recommended scoring methods i.e., the total, critical and Best7 scoring methods. The results indicate that the critical and Best7 scoring methods detected most true cases of ASD without inflating the false positive rates in toddlers, and that only the total scoring method performed acceptably for the older children. En ligne : http://dx.doi.org/10.1007/s10803-013-1880-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=223
in Journal of Autism and Developmental Disorders > 44-2 (February 2014) . - p.405-416[article] The Clinical Utility of the Modified Checklist for Autism in Toddlers with High Risk 18–48 Month Old Children in Singapore [Texte imprimé et/ou numérique] / Hwan Cui KOH, Auteur ; Si Huan LIM, Auteur ; Gifford Jiguang CHAN, Auteur ; Marisa Bilin LIN, Auteur ; Hong Huay LIM, Auteur ; Sylvia Henn Tean CHOO, Auteur ; Iliana MAGIATI, Auteur . - p.405-416.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 44-2 (February 2014) . - p.405-416
Mots-clés : Autism spectrum disorders Screening Early identification M-CHAT Level 2 screening High risk children Index. décimale : PER Périodiques Résumé : The modified checklist for autism in toddlers (M-CHAT) is a tool developed for 16–30 month old children to screen for autism spectrum disorders (ASD). It is a well-researched tool, but little is known about its utility with Singaporean toddlers and with older children referred for developmental concerns. This study investigated the M-CHAT’s performance with 18–30 month old (N = 173) and 30–48 month old (N = 407) developmentally at-risk Singaporean children, when used with three recommended scoring methods i.e., the total, critical and Best7 scoring methods. The results indicate that the critical and Best7 scoring methods detected most true cases of ASD without inflating the false positive rates in toddlers, and that only the total scoring method performed acceptably for the older children. En ligne : http://dx.doi.org/10.1007/s10803-013-1880-1 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=223 The measurement properties of the spence children's anxiety scale-parent version in a large international pooled sample of young people with autism spectrum disorder / Iliana MAGIATI in Autism Research, 10-10 (October 2017)
[article]
Titre : The measurement properties of the spence children's anxiety scale-parent version in a large international pooled sample of young people with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Iliana MAGIATI, Auteur ; Jian Wei LERH, Auteur ; Matthew J. HOLLOCKS, Auteur ; Mirko ULJAREVIC, Auteur ; Jacqui RODGERS, Auteur ; Helen MCCONACHIE, Auteur ; Ann OZSIVADJIAN, Auteur ; Mikle SOUTH, Auteur ; Amy VAN HECKE, Auteur ; Antonio HARDAN, Auteur ; Robin LIBOVE, Auteur ; Susan LEEKAM, Auteur ; Emily SIMONOFF, Auteur Article en page(s) : p.1629-1652 Langues : Anglais (eng) Mots-clés : autism spectrum disorder anxiety parent report measurement assessment reliability validity factor structure Index. décimale : PER Périodiques Résumé : Anxiety-related difficulties are common in ASD, but measuring anxiety reliably and validly is challenging. Despite an increasing number of studies, there is no clear agreement on which existing anxiety measure is more psychometrically sound and what is the factor structure of anxiety in ASD. The present study examined the internal consistency, convergent, divergent, and discriminant validity, as well as the factor structure of the Spence Children's Anxiety Scale-Parent Version (SCAS-P), in a large international pooled sample of 870 caregivers of youth with ASD from 12 studies in the United Kingdom, United States, and Singapore who completed the SCAS-P. Most were community recruited, while the majority had at least one measure of ASD symptomatology and either cognitive or adaptive functioning measures completed. Existing SCAS-P total scale and subscales had excellent internal consistency and good convergent, divergent and discriminant validity similar to or better than SCAS-P properties reported in typically developing children, except for the poorer internal consistency of the physical injury subscale. Confirmatory Factor Analysis (CFA) of the existing SCAS-P six-correlated factor structure was a poor fit for this pooled database. Principal component analysis using half of the pooled sample identified a 30-item five correlated factor structure, but a CFA of this PCA-derived structure in the second half of this pooled sample revealed a poor fit, although the PCA-derived SCAS-P scale and subscales had stronger validity and better internal consistency than the original SCAS-P. The study's limitations, the use of the SCAS-P to screen for DSM-derived anxiety problems in ASD and future research directions are discussed. Autism Res 2017, 10: 1629–1652. © 2017 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1809 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=322
in Autism Research > 10-10 (October 2017) . - p.1629-1652[article] The measurement properties of the spence children's anxiety scale-parent version in a large international pooled sample of young people with autism spectrum disorder [Texte imprimé et/ou numérique] / Iliana MAGIATI, Auteur ; Jian Wei LERH, Auteur ; Matthew J. HOLLOCKS, Auteur ; Mirko ULJAREVIC, Auteur ; Jacqui RODGERS, Auteur ; Helen MCCONACHIE, Auteur ; Ann OZSIVADJIAN, Auteur ; Mikle SOUTH, Auteur ; Amy VAN HECKE, Auteur ; Antonio HARDAN, Auteur ; Robin LIBOVE, Auteur ; Susan LEEKAM, Auteur ; Emily SIMONOFF, Auteur . - p.1629-1652.
Langues : Anglais (eng)
in Autism Research > 10-10 (October 2017) . - p.1629-1652
Mots-clés : autism spectrum disorder anxiety parent report measurement assessment reliability validity factor structure Index. décimale : PER Périodiques Résumé : Anxiety-related difficulties are common in ASD, but measuring anxiety reliably and validly is challenging. Despite an increasing number of studies, there is no clear agreement on which existing anxiety measure is more psychometrically sound and what is the factor structure of anxiety in ASD. The present study examined the internal consistency, convergent, divergent, and discriminant validity, as well as the factor structure of the Spence Children's Anxiety Scale-Parent Version (SCAS-P), in a large international pooled sample of 870 caregivers of youth with ASD from 12 studies in the United Kingdom, United States, and Singapore who completed the SCAS-P. Most were community recruited, while the majority had at least one measure of ASD symptomatology and either cognitive or adaptive functioning measures completed. Existing SCAS-P total scale and subscales had excellent internal consistency and good convergent, divergent and discriminant validity similar to or better than SCAS-P properties reported in typically developing children, except for the poorer internal consistency of the physical injury subscale. Confirmatory Factor Analysis (CFA) of the existing SCAS-P six-correlated factor structure was a poor fit for this pooled database. Principal component analysis using half of the pooled sample identified a 30-item five correlated factor structure, but a CFA of this PCA-derived structure in the second half of this pooled sample revealed a poor fit, although the PCA-derived SCAS-P scale and subscales had stronger validity and better internal consistency than the original SCAS-P. The study's limitations, the use of the SCAS-P to screen for DSM-derived anxiety problems in ASD and future research directions are discussed. Autism Res 2017, 10: 1629–1652. © 2017 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1809 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=322 The Relationship Between Autistic Traits and Social Anxiety, Worry, Obsessive–Compulsive, and Depressive Symptoms: Specific and Non-specific Mediators in a Student Sample / Shi Min LIEW in Journal of Autism and Developmental Disorders, 45-3 (March 2015)
[article]
Titre : The Relationship Between Autistic Traits and Social Anxiety, Worry, Obsessive–Compulsive, and Depressive Symptoms: Specific and Non-specific Mediators in a Student Sample Type de document : Texte imprimé et/ou numérique Auteurs : Shi Min LIEW, Auteur ; Nishta THEVARAJA, Auteur ; Ryan Y. HONG, Auteur ; Iliana MAGIATI, Auteur Article en page(s) : p.858-872 Langues : Anglais (eng) Mots-clés : Autism Autistic traits Anxiety Depression Mediator Relationship Predictor Index. décimale : PER Périodiques Résumé : The high prevalence of anxiety symptoms in individuals with autism spectrum disorders has now been well documented. There is also a positive relationship between autistic traits and anxiety symptoms in unselected samples and individuals with anxiety disorders have more autistic traits compared to those without. Less is known, however, regarding which elements of autistic traits (i.e., social versus non-social/behavioral) or which other variables may mediate this relationship. This study investigated the shared and specific role of five autistic-trait related mediators (social problem-solving, social competence, teasing experiences, prevention from/punishment for preferred repetitive behaviors and aversive sensory experiences) in a non-clinical sample of 252 university students. Autistic traits positively correlated with both anxiety and depressive symptoms. Social competence mediated the relationship between autistic traits and social anxiety symptoms only, while only prevention from preferred repetitive behaviors and frequent aversive sensory experiences mediated the relationship between autistic traits, worry and obsessive–compulsive symptoms. Replication of these findings is required in longitudinal studies and with clinical samples. Limitations of the study are discussed and possible implications for intervention are tentatively suggested. En ligne : http://dx.doi.org/10.1007/s10803-014-2238-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258
in Journal of Autism and Developmental Disorders > 45-3 (March 2015) . - p.858-872[article] The Relationship Between Autistic Traits and Social Anxiety, Worry, Obsessive–Compulsive, and Depressive Symptoms: Specific and Non-specific Mediators in a Student Sample [Texte imprimé et/ou numérique] / Shi Min LIEW, Auteur ; Nishta THEVARAJA, Auteur ; Ryan Y. HONG, Auteur ; Iliana MAGIATI, Auteur . - p.858-872.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 45-3 (March 2015) . - p.858-872
Mots-clés : Autism Autistic traits Anxiety Depression Mediator Relationship Predictor Index. décimale : PER Périodiques Résumé : The high prevalence of anxiety symptoms in individuals with autism spectrum disorders has now been well documented. There is also a positive relationship between autistic traits and anxiety symptoms in unselected samples and individuals with anxiety disorders have more autistic traits compared to those without. Less is known, however, regarding which elements of autistic traits (i.e., social versus non-social/behavioral) or which other variables may mediate this relationship. This study investigated the shared and specific role of five autistic-trait related mediators (social problem-solving, social competence, teasing experiences, prevention from/punishment for preferred repetitive behaviors and aversive sensory experiences) in a non-clinical sample of 252 university students. Autistic traits positively correlated with both anxiety and depressive symptoms. Social competence mediated the relationship between autistic traits and social anxiety symptoms only, while only prevention from preferred repetitive behaviors and frequent aversive sensory experiences mediated the relationship between autistic traits, worry and obsessive–compulsive symptoms. Replication of these findings is required in longitudinal studies and with clinical samples. Limitations of the study are discussed and possible implications for intervention are tentatively suggested. En ligne : http://dx.doi.org/10.1007/s10803-014-2238-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=258 A two-year prospective follow-up study of community-based early intensive behavioural intervention and specialist nursery provision for children with autism spectrum disorders / Iliana MAGIATI in Journal of Child Psychology and Psychiatry, 48-8 (August 2007)
PermalinkUnderstanding the heterogeneity of anxiety in autistic youth: A person-centered approach / Emily SPACKMAN in Autism Research, 15-9 (September 2022)
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