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Investigating diagnostic bias in autism spectrum conditions: An item response theory analysis of sex bias in the AQ-10 / Aja Louise MURRAY in Autism Research, 10-5 (May 2017)
[article]
Titre : Investigating diagnostic bias in autism spectrum conditions: An item response theory analysis of sex bias in the AQ-10 Type de document : Texte imprimé et/ou numérique Auteurs : Aja Louise MURRAY, Auteur ; Carrie ALLISON, Auteur ; Paula L. SMITH, Auteur ; Simon BARON-COHEN, Auteur ; Tom BOOTH, Auteur ; Bonnie AUYEUNG, Auteur Article en page(s) : p.790-800 Langues : Anglais (eng) Mots-clés : sex differences autism screening autism spectrum quotient AQ-10 item response theory differential item functioning differential test functioning Index. décimale : PER Périodiques Résumé : Diagnostic bias is a concern in autism spectrum conditions (ASC) where prevalence and presentation differ by sex. To ensure that females with ASC are not under-identified, it is important that ASC screening tools do not systematically underestimate autistic traits in females relative to males. We evaluated whether the AQ-10, a brief screen for ASC recommended by the National Institute of Clinical Excellence in cases of suspected ASC, exhibits such a bias. Using an item response theory approach, we evaluated differential item functioning and differential test functioning. We found that although individual items showed some sex bias, these biases at times favored males and at other times favored females. Thus, at the level of test scores the item-level biases cancelled out to give an unbiased overall score. Results support the continued use of the AQ-10 sum score in its current form; however, suggest that caution should be exercised when interpreting responses to individual items. The nature of the item level biases could serve as a guide for future research into how ASC affects males and females differently. En ligne : http://dx.doi.org/10.1002/aur.1724 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=307
in Autism Research > 10-5 (May 2017) . - p.790-800[article] Investigating diagnostic bias in autism spectrum conditions: An item response theory analysis of sex bias in the AQ-10 [Texte imprimé et/ou numérique] / Aja Louise MURRAY, Auteur ; Carrie ALLISON, Auteur ; Paula L. SMITH, Auteur ; Simon BARON-COHEN, Auteur ; Tom BOOTH, Auteur ; Bonnie AUYEUNG, Auteur . - p.790-800.
Langues : Anglais (eng)
in Autism Research > 10-5 (May 2017) . - p.790-800
Mots-clés : sex differences autism screening autism spectrum quotient AQ-10 item response theory differential item functioning differential test functioning Index. décimale : PER Périodiques Résumé : Diagnostic bias is a concern in autism spectrum conditions (ASC) where prevalence and presentation differ by sex. To ensure that females with ASC are not under-identified, it is important that ASC screening tools do not systematically underestimate autistic traits in females relative to males. We evaluated whether the AQ-10, a brief screen for ASC recommended by the National Institute of Clinical Excellence in cases of suspected ASC, exhibits such a bias. Using an item response theory approach, we evaluated differential item functioning and differential test functioning. We found that although individual items showed some sex bias, these biases at times favored males and at other times favored females. Thus, at the level of test scores the item-level biases cancelled out to give an unbiased overall score. Results support the continued use of the AQ-10 sum score in its current form; however, suggest that caution should be exercised when interpreting responses to individual items. The nature of the item level biases could serve as a guide for future research into how ASC affects males and females differently. En ligne : http://dx.doi.org/10.1002/aur.1724 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=307 Using the AQ-10 with adults who have a borderline or mild intellectual disability: Pilot analysis of an adapted AQ-10 (AQ-10-Intellectual Disability) / Elizabeth C. KENT in Research in Autism Spectrum Disorders, 54 (October 2018)
[article]
Titre : Using the AQ-10 with adults who have a borderline or mild intellectual disability: Pilot analysis of an adapted AQ-10 (AQ-10-Intellectual Disability) Type de document : Texte imprimé et/ou numérique Auteurs : Elizabeth C. KENT, Auteur ; Gerald H. BURGESS, Auteur ; Elizabeth KILBEY, Auteur Article en page(s) : p.65-75 Langues : Anglais (eng) Mots-clés : Intellectual disability Autism spectrum disorder Intellectual impairment Screening Case identification AQ-10 Index. décimale : PER Périodiques Résumé : Background There is a need for appropriate screening tools for case identification of autism spectrum disorder (ASD) in those with intellectual disabilities (ID) given the high co-occurrence of the two conditions. The AQ-10 is the screening tool recommended by NICE for the identification of ASD in adults with a borderline or mild intellectual disability. However, the AQ-10 was not developed with this population in mind. Method A mixed-methods approach was used to investigate the utility of the AQ-10 in its original form as a case identification tool. The AQ-10 was then redesigned and piloted. Qualitative results revealed individuals with a borderline or mild ID found the AQ-10 too inaccessible in its current format. Results Following revision, the diagnostic validity of the revised measure (AQ-10-ID) showed good sensitivity (0.85) and specificity (0.77), whereas the diagnostic validity of the original AQ-10 was poor. The internal consistency for the AQ-10-ID was 0.67 and 0.30 for the AQ-10. Conclusions These findings indicate that changes may be needed to the AQ-10 before clinicians consider using as a screen tools for adults with an intellectual disability. En ligne : https://doi.org/10.1016/j.rasd.2018.06.010 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=368
in Research in Autism Spectrum Disorders > 54 (October 2018) . - p.65-75[article] Using the AQ-10 with adults who have a borderline or mild intellectual disability: Pilot analysis of an adapted AQ-10 (AQ-10-Intellectual Disability) [Texte imprimé et/ou numérique] / Elizabeth C. KENT, Auteur ; Gerald H. BURGESS, Auteur ; Elizabeth KILBEY, Auteur . - p.65-75.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 54 (October 2018) . - p.65-75
Mots-clés : Intellectual disability Autism spectrum disorder Intellectual impairment Screening Case identification AQ-10 Index. décimale : PER Périodiques Résumé : Background There is a need for appropriate screening tools for case identification of autism spectrum disorder (ASD) in those with intellectual disabilities (ID) given the high co-occurrence of the two conditions. The AQ-10 is the screening tool recommended by NICE for the identification of ASD in adults with a borderline or mild intellectual disability. However, the AQ-10 was not developed with this population in mind. Method A mixed-methods approach was used to investigate the utility of the AQ-10 in its original form as a case identification tool. The AQ-10 was then redesigned and piloted. Qualitative results revealed individuals with a borderline or mild ID found the AQ-10 too inaccessible in its current format. Results Following revision, the diagnostic validity of the revised measure (AQ-10-ID) showed good sensitivity (0.85) and specificity (0.77), whereas the diagnostic validity of the original AQ-10 was poor. The internal consistency for the AQ-10-ID was 0.67 and 0.30 for the AQ-10. Conclusions These findings indicate that changes may be needed to the AQ-10 before clinicians consider using as a screen tools for adults with an intellectual disability. En ligne : https://doi.org/10.1016/j.rasd.2018.06.010 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=368 Brief Report: Sexual Orientation in Individuals with Autistic Traits: Population Based Study of 47,000 Adults in Stockholm County / C. E. S. RUDOLPH in Journal of Autism and Developmental Disorders, 48-2 (February 2018)
[article]
Titre : Brief Report: Sexual Orientation in Individuals with Autistic Traits: Population Based Study of 47,000 Adults in Stockholm County Type de document : Texte imprimé et/ou numérique Auteurs : C. E. S. RUDOLPH, Auteur ; A. LUNDIN, Auteur ; J. W. AHS, Auteur ; C. DALMAN, Auteur ; K. KOSIDOU, Auteur Article en page(s) : p.619-624 Langues : Anglais (eng) Mots-clés : Aq-10 Bisexuality Epidemiology Homosexuality Sexual orientation Index. décimale : PER Périodiques Résumé : We examined the association between autistic traits and sexual orientation in a general adult population (N = 47,356). Autistic traits were measured with the ten items Autistic Quotient questionnaire using a cut-off score of >/= 6. Sexual orientation was assessed by self-report. Multinomial logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for sexual orientation categories. Participants with autistic traits were more likely to identify as bisexual (OR 1.73; 95% CI 1.01-2.9) and to feel that their sexual orientation could neither be described as hetero-, homo- nor bisexual (OR 3.05; 95% CI 2.56-3.63), compared to individuals without autistic traits. Autistic traits are associated with minority sexual orientation, and perhaps with uncertain self-identification and/or a defiance of traditional ways of categorizing sexual identity. En ligne : https://doi.org/10.1007/s10803-017-3369-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=338
in Journal of Autism and Developmental Disorders > 48-2 (February 2018) . - p.619-624[article] Brief Report: Sexual Orientation in Individuals with Autistic Traits: Population Based Study of 47,000 Adults in Stockholm County [Texte imprimé et/ou numérique] / C. E. S. RUDOLPH, Auteur ; A. LUNDIN, Auteur ; J. W. AHS, Auteur ; C. DALMAN, Auteur ; K. KOSIDOU, Auteur . - p.619-624.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 48-2 (February 2018) . - p.619-624
Mots-clés : Aq-10 Bisexuality Epidemiology Homosexuality Sexual orientation Index. décimale : PER Périodiques Résumé : We examined the association between autistic traits and sexual orientation in a general adult population (N = 47,356). Autistic traits were measured with the ten items Autistic Quotient questionnaire using a cut-off score of >/= 6. Sexual orientation was assessed by self-report. Multinomial logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for sexual orientation categories. Participants with autistic traits were more likely to identify as bisexual (OR 1.73; 95% CI 1.01-2.9) and to feel that their sexual orientation could neither be described as hetero-, homo- nor bisexual (OR 3.05; 95% CI 2.56-3.63), compared to individuals without autistic traits. Autistic traits are associated with minority sexual orientation, and perhaps with uncertain self-identification and/or a defiance of traditional ways of categorizing sexual identity. En ligne : https://doi.org/10.1007/s10803-017-3369-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=338