Cross-Cultural Validity of the Social Communication Questionnaire for Adults with Intellectual Developmental Disorder / Tanja SAPPOK in Journal of Autism and Developmental Disorders, 47-2 (February 2017)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 47-2 (February 2017) . - p.393-404 Titre : Cross-Cultural Validity of the Social Communication Questionnaire for Adults with Intellectual Developmental Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Tanja SAPPOK, Auteur ; Whitney BROOKS, Auteur ; Manuel HEINRICH, Auteur ; Jane MCCARTHY, Auteur ; Lisa UNDERWOOD, Auteur Article en page(s) : p.393-404 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Diagnostics  SCQ  Validity  Intellectual developmental disorder Index. décimale : PER Périodiques Résumé : Diagnosing Autism Spectrum Disorders (ASD) is important throughout the lifespan. The objective was to investigate the transcultural diagnostic validity of the Social Communication Questionnaire (SCQ) in a clinical sample of 451 adults with Intellectual Developmental Disorder (IDD) with and without ASD in Germany, the U.S.A. and Great Britain. Variables associated with higher SCQ sum-scores were higher levels of IDD, male gender, a diagnosis of ASD and the study site (Germany?>?U.S.A?>?G.B.). An ROC analysis revealed a cut-score of 13, which resulted in a sensitivity of 0.87 and a specificity of 0.58. It is recommended to adjust the cut-score according to level of IDD and gender. Further research is needed to align diagnostic assignment of ASD across different sites and countries. En ligne : http://dx.doi.org/10.1007/s10803-016-2967-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=303 [article] Cross-Cultural Validity of the Social Communication Questionnaire for Adults with Intellectual Developmental Disorder [Texte imprimé et/ou numérique] / Tanja SAPPOK, Auteur ; Whitney BROOKS, Auteur ; Manuel HEINRICH, Auteur ; Jane MCCARTHY, Auteur ; Lisa UNDERWOOD, Auteur . - p.393-404. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 47-2 (February 2017) . - p.393-404 Mots-clés : Autism spectrum disorder  Diagnostics  SCQ  Validity  Intellectual developmental disorder Index. décimale : PER Périodiques Résumé : Diagnosing Autism Spectrum Disorders (ASD) is important throughout the lifespan. The objective was to investigate the transcultural diagnostic validity of the Social Communication Questionnaire (SCQ) in a clinical sample of 451 adults with Intellectual Developmental Disorder (IDD) with and without ASD in Germany, the U.S.A. and Great Britain. Variables associated with higher SCQ sum-scores were higher levels of IDD, male gender, a diagnosis of ASD and the study site (Germany?>?U.S.A?>?G.B.). An ROC analysis revealed a cut-score of 13, which resulted in a sensitivity of 0.87 and a specificity of 0.58. It is recommended to adjust the cut-score according to level of IDD and gender. Further research is needed to align diagnostic assignment of ASD across different sites and countries. En ligne : http://dx.doi.org/10.1007/s10803-016-2967-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=303

MUSAD-Short ? A music-based screening tool to assess autism spectrum disorder in people with intellectual disability / Marlene TERGEIST in Research in Autism Spectrum Disorders, 95 (July 2022)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 95 (July 2022) . - 101971 Titre : MUSAD-Short ? A music-based screening tool to assess autism spectrum disorder in people with intellectual disability Type de document : Texte imprimé et/ou numérique Auteurs : Marlene TERGEIST, Auteur ; Matthias ZIEGLER, Auteur ; Manuel HEINRICH, Auteur ; Tanja SAPPOK, Auteur ; Thomas BERGMANN, Auteur Article en page(s) : 101971 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Intellectual disability  Diagnostics  Screening  Adults  Music Index. décimale : PER Périodiques Résumé : Background The Music-based Scale for Autism Diagnostics (MUSAD) is an observational instrument for assessing ASD in adults with intellectual disability (ID) and limited verbal abilities. The MUSAD prompts diagnostically relevant behaviors in twelve musical interactional situations. This study explores the psychometric properties of a short version (MUSAD-Short) for ASD screening. Method Excerpts from 60 videotaped assessments conducted with the original MUSAD were re-coded with a reduced item set. Based on these ratings, items were selected for the MUSAD-Short. Criterion validity of the MUSAD-Short was tested by comparing the MUSAD-Short assignment with the clinical ASD diagnosis. Inter-rater reliability was tested on a subsample of 22 individuals. A dichotomous response format was also examined to investigate whether further simplification is possible. Results Four situations (congas; ocean drum; symbolic instruments; movement to music) and fourteen items were selected for the MUSAD-Short. The diagnostic accuracy was appropriate, as indicated by sensitivity/specificity values of 73/75% (AUC =0.78). The inter-rater reliability was excellent, measured by the intra-class correlation (ICC) of.77. After item-dichotomization, sensitivity/specificity values were 73/70% (AUC =0.79). Conclusions The results indicate that the MUSAD-Short provides adequate diagnostic accuracy and sufficient inter-rater reliability. Shortening the original MUSAD is a promising approach to improving the scale?s applicability. However, future studies are needed that assess the MUSAD-Short's clinical and psychometric utility in an independent sample. Also, testing its practicability in children and adolescents with ID is indicated. En ligne : https://doi.org/10.1016/j.rasd.2022.101971 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=475 [article] MUSAD-Short ? A music-based screening tool to assess autism spectrum disorder in people with intellectual disability [Texte imprimé et/ou numérique] / Marlene TERGEIST, Auteur ; Matthias ZIEGLER, Auteur ; Manuel HEINRICH, Auteur ; Tanja SAPPOK, Auteur ; Thomas BERGMANN, Auteur . - 101971. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 95 (July 2022) . - 101971 Mots-clés : Autism spectrum disorder  Intellectual disability  Diagnostics  Screening  Adults  Music Index. décimale : PER Périodiques Résumé : Background The Music-based Scale for Autism Diagnostics (MUSAD) is an observational instrument for assessing ASD in adults with intellectual disability (ID) and limited verbal abilities. The MUSAD prompts diagnostically relevant behaviors in twelve musical interactional situations. This study explores the psychometric properties of a short version (MUSAD-Short) for ASD screening. Method Excerpts from 60 videotaped assessments conducted with the original MUSAD were re-coded with a reduced item set. Based on these ratings, items were selected for the MUSAD-Short. Criterion validity of the MUSAD-Short was tested by comparing the MUSAD-Short assignment with the clinical ASD diagnosis. Inter-rater reliability was tested on a subsample of 22 individuals. A dichotomous response format was also examined to investigate whether further simplification is possible. Results Four situations (congas; ocean drum; symbolic instruments; movement to music) and fourteen items were selected for the MUSAD-Short. The diagnostic accuracy was appropriate, as indicated by sensitivity/specificity values of 73/75% (AUC =0.78). The inter-rater reliability was excellent, measured by the intra-class correlation (ICC) of.77. After item-dichotomization, sensitivity/specificity values were 73/70% (AUC =0.79). Conclusions The results indicate that the MUSAD-Short provides adequate diagnostic accuracy and sufficient inter-rater reliability. Shortening the original MUSAD is a promising approach to improving the scale?s applicability. However, future studies are needed that assess the MUSAD-Short's clinical and psychometric utility in an independent sample. Also, testing its practicability in children and adolescents with ID is indicated. En ligne : https://doi.org/10.1016/j.rasd.2022.101971 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=475

The Diagnostic Behavioral Assessment for autism spectrum disorder—Revised: A screening instrument for adults with intellectual disability suspected of autism spectrum disorders / Tanja SAPPOK in Research in Autism Spectrum Disorders, 8-4 (April 2014)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 8-4 (April 2014) . - p.362-375 Titre : The Diagnostic Behavioral Assessment for autism spectrum disorder—Revised: A screening instrument for adults with intellectual disability suspected of autism spectrum disorders Type de document : Texte imprimé et/ou numérique Auteurs : Tanja SAPPOK, Auteur ; Isabell GAUL, Auteur ; Thomas BERGMANN, Auteur ; Isabel DZIOBEK, Auteur ; Sven BÖLTE, Auteur ; Albert DIEFENBACHER, Auteur ; Manuel HEINRICH, Auteur Article en page(s) : p.362-375 Mots-clés : Autism spectrum disorder  Intellectual disability  Diagnostics  Psychometric properties  Adults Index. décimale : PER Périodiques Résumé : Given the strong association between intellectual disability (ID) and autism spectrum disorder (ASD), standardized instruments for the assessment of ASD in adults with ID are desirable. The Diagnostic Behavioral Assessment for ASD – Revised (DiBAS-R) is a DSM-5/ICD-10 based caregiver-report screening tool that consists of 19 Likert-scaled items. This study evaluated the item-validities, item-difficulties, item-variances, part-whole corrected item total-correlations, reliability, and the factorial, diagnostic, and convergent/discriminant validities of the DiBAS-R in a clinical, adult ID sample (N = 219). Factor analysis yielded two consistent dimensions; i.e., social interaction/communication and stereotypy/rigidity/sensory abnormalities. The diagnostic validity was adequate, as reflected by an area under the curve of 0.89 and balanced sensitivity and specificity values of 81%. The DiBAS-R total scores were significantly correlated with the Social Communication Questionnaire (r = 0.52), the Scale for Pervasive Developmental Disorders in Mentally Retarded Persons (r = 0.50), and the Autism-Checklist (r = 0.59), while no significant correlation with the Modified Overt Aggression Scale was observed. The interrater reliability was excellent (ICC = 0.88). These findings indicate that the DiBAS-R is a promising and psychometrically sound instrument for ASD screening of adults with ID. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.12.016 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=226 [article] The Diagnostic Behavioral Assessment for autism spectrum disorder—Revised: A screening instrument for adults with intellectual disability suspected of autism spectrum disorders [Texte imprimé et/ou numérique] / Tanja SAPPOK, Auteur ; Isabell GAUL, Auteur ; Thomas BERGMANN, Auteur ; Isabel DZIOBEK, Auteur ; Sven BÖLTE, Auteur ; Albert DIEFENBACHER, Auteur ; Manuel HEINRICH, Auteur . - p.362-375. in Research in Autism Spectrum Disorders > 8-4 (April 2014) . - p.362-375 Mots-clés : Autism spectrum disorder  Intellectual disability  Diagnostics  Psychometric properties  Adults Index. décimale : PER Périodiques Résumé : Given the strong association between intellectual disability (ID) and autism spectrum disorder (ASD), standardized instruments for the assessment of ASD in adults with ID are desirable. The Diagnostic Behavioral Assessment for ASD – Revised (DiBAS-R) is a DSM-5/ICD-10 based caregiver-report screening tool that consists of 19 Likert-scaled items. This study evaluated the item-validities, item-difficulties, item-variances, part-whole corrected item total-correlations, reliability, and the factorial, diagnostic, and convergent/discriminant validities of the DiBAS-R in a clinical, adult ID sample (N = 219). Factor analysis yielded two consistent dimensions; i.e., social interaction/communication and stereotypy/rigidity/sensory abnormalities. The diagnostic validity was adequate, as reflected by an area under the curve of 0.89 and balanced sensitivity and specificity values of 81%. The DiBAS-R total scores were significantly correlated with the Social Communication Questionnaire (r = 0.52), the Scale for Pervasive Developmental Disorders in Mentally Retarded Persons (r = 0.50), and the Autism-Checklist (r = 0.59), while no significant correlation with the Modified Overt Aggression Scale was observed. The interrater reliability was excellent (ICC = 0.88). These findings indicate that the DiBAS-R is a promising and psychometrically sound instrument for ASD screening of adults with ID. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.12.016 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=226

The Missing Link: Delayed Emotional Development Predicts Challenging Behavior in Adults with Intellectual Disability / Tanja SAPPOK in Journal of Autism and Developmental Disorders, 44-4 (April 2014)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 44-4 (April 2014) . - p.786-800 Titre : The Missing Link: Delayed Emotional Development Predicts Challenging Behavior in Adults with Intellectual Disability Type de document : Texte imprimé et/ou numérique Auteurs : Tanja SAPPOK, Auteur ; Jan BUDCZIES, Auteur ; Isabel DZIOBEK, Auteur ; Sven BÖLTE, Auteur ; Anton DOSEN, Auteur ; Albert DIEFENBACHER, Auteur Année de publication : 2014 Article en page(s) : p.786-800 Langues : Anglais (eng) Mots-clés : Intellectual disability  Autism spectrum disorders  Adults  Emotional development  Challenging behavior Index. décimale : PER Périodiques Résumé : Individuals with intellectual disability (ID) show high rates of challenging behavior (CB). The aim of this retrospective study was to assess the factors underlying CB in an adult, clinical ID sample (n = 203). Low levels of emotional development (ED), as measured by the Scheme of Appraisal of ED, predicted overall CB, specifically irritability and self-injury, high unemployment and low occupation rates, while severity of ID controlled for ED did not. Autism was the only mental disorder associated with overall CB, stereotypy, lethargy, and predicted antipsychotic drug usage. Given the persistence and clinical significance of CB, evaluation of autism and ED may suggest priority areas for diagnostics and therapy, to provide the prerequisites for participation in society and living up one’s potentials. En ligne : http://dx.doi.org/10.1007/s10803-013-1933-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=228 [article] The Missing Link: Delayed Emotional Development Predicts Challenging Behavior in Adults with Intellectual Disability [Texte imprimé et/ou numérique] / Tanja SAPPOK, Auteur ; Jan BUDCZIES, Auteur ; Isabel DZIOBEK, Auteur ; Sven BÖLTE, Auteur ; Anton DOSEN, Auteur ; Albert DIEFENBACHER, Auteur . - 2014 . - p.786-800. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 44-4 (April 2014) . - p.786-800 Mots-clés : Intellectual disability  Autism spectrum disorders  Adults  Emotional development  Challenging behavior Index. décimale : PER Périodiques Résumé : Individuals with intellectual disability (ID) show high rates of challenging behavior (CB). The aim of this retrospective study was to assess the factors underlying CB in an adult, clinical ID sample (n = 203). Low levels of emotional development (ED), as measured by the Scheme of Appraisal of ED, predicted overall CB, specifically irritability and self-injury, high unemployment and low occupation rates, while severity of ID controlled for ED did not. Autism was the only mental disorder associated with overall CB, stereotypy, lethargy, and predicted antipsychotic drug usage. Given the persistence and clinical significance of CB, evaluation of autism and ED may suggest priority areas for diagnostics and therapy, to provide the prerequisites for participation in society and living up one’s potentials. En ligne : http://dx.doi.org/10.1007/s10803-013-1933-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=228

The Social Communication Questionnaire for adults with intellectual disability: SCQ-AID / Olivia DERKS in Autism Research, 10-9 (September 2017)  

Public ISBD [article]  inAutism Research > 10-9 (September 2017) . - p.1481-1490 Titre : The Social Communication Questionnaire for adults with intellectual disability: SCQ-AID Type de document : Texte imprimé et/ou numérique Auteurs : Olivia DERKS, Auteur ; Manuel HEINRICH, Auteur ; Whitney BROOKS, Auteur ; Paula STERKENBURG, Auteur ; Jane MCCARTHY, Auteur ; Lisa UNDERWOOD, Auteur ; Tanja SAPPOK, Auteur Article en page(s) : p.1481-1490 Langues : Anglais (eng) Mots-clés : autism spectrum disorder (ASD)  intellectual disability (ID)  social communication questionnaire (SCQ)  assessment  validity Index. décimale : PER Périodiques Résumé : Autism spectrum disorder (ASD) frequently co-occurs with intellectual disability (ID) and often remains undiagnosed until adulthood. The Social Communication Questionnaire (SCQ) is a widely used measure to screen for ASD. To improve the utility of the SCQ for adults with ID, the aim of this study was to develop an ID-specific and adult appropriate algorithm for the SCQ using a core set of valid items. These items were identified in one sample (N = 226) and further cross-validated in a second, independent sample (N = 225) from Germany, England and the U.S. The newly developed algorithm has 24 items compared with the 40 items in the original instrument. The reduced item core set yielded similar diagnostic validity as the original algorithm with good sensitivity values (0.81–0.89) and low specificity values (0.62–0.72). Overall, these results suggest that the removed items may not carry diagnostically relevant information in adults with ID; thus, excluding these items may result in a more efficient and age-appropriate screening measure for this population. However, due to the low specificity values, a comprehensive assessment is essential for a final diagnostic assignment. En ligne : http://dx.doi.org/10.1002/aur.1795 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=320 [article] The Social Communication Questionnaire for adults with intellectual disability: SCQ-AID [Texte imprimé et/ou numérique] / Olivia DERKS, Auteur ; Manuel HEINRICH, Auteur ; Whitney BROOKS, Auteur ; Paula STERKENBURG, Auteur ; Jane MCCARTHY, Auteur ; Lisa UNDERWOOD, Auteur ; Tanja SAPPOK, Auteur . - p.1481-1490. Langues : Anglais (eng) in Autism Research > 10-9 (September 2017) . - p.1481-1490 Mots-clés : autism spectrum disorder (ASD)  intellectual disability (ID)  social communication questionnaire (SCQ)  assessment  validity Index. décimale : PER Périodiques Résumé : Autism spectrum disorder (ASD) frequently co-occurs with intellectual disability (ID) and often remains undiagnosed until adulthood. The Social Communication Questionnaire (SCQ) is a widely used measure to screen for ASD. To improve the utility of the SCQ for adults with ID, the aim of this study was to develop an ID-specific and adult appropriate algorithm for the SCQ using a core set of valid items. These items were identified in one sample (N = 226) and further cross-validated in a second, independent sample (N = 225) from Germany, England and the U.S. The newly developed algorithm has 24 items compared with the 40 items in the original instrument. The reduced item core set yielded similar diagnostic validity as the original algorithm with good sensitivity values (0.81–0.89) and low specificity values (0.62–0.72). Overall, these results suggest that the removed items may not carry diagnostically relevant information in adults with ID; thus, excluding these items may result in a more efficient and age-appropriate screening measure for this population. However, due to the low specificity values, a comprehensive assessment is essential for a final diagnostic assignment. En ligne : http://dx.doi.org/10.1002/aur.1795 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=320

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