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15-12-2017 | Original Paper | Uitgave 5/2018

Journal of Autism and Developmental Disorders 5/2018

Identifying Autism with a Brief and Low-Cost Screening Instrument—OERA: Construct Validity, Invariance Testing, and Agreement Between Judges

Journal of Autism and Developmental Disorders > Uitgave 5/2018
Cristiane S. Paula, Graccielle Rodrigues Cunha, Daniela Bordini, Decio Brunoni, Ana Claudia Moya, Cleonice Alves Bosa, Jair J. Mari, Hugo Cogo-Moreira
Belangrijke opmerkingen
Parcial data of this study was presented at the:
(i) International Meeting for Autism Research (IMFAR) in São Francisco-CA, US in 2017. Title: A validation study of the Observation for Autism Screening (OERA), a new and brief low-cost instrument to screening for ASD
(ii) IV International Meeting of the Brazilian Association of Neurology and Child Psychiatry and Allied Professions ABENEPI Title: Observação estruturada para rastreamento de autismo: desenvolvimento e validade do instrumento OERA.
Any additional data related to the manuscript data will be provided by the first author upon request.


Simple and low-cost observational-tools to detect symptoms of Autism Spectrum Disorder (ASD) are still necessary. The OERA is a new assessment tool to screen children eliciting observable behaviors with no substantial knowledge on ASD required. The sample was 99 children aged 3–10: 76 with ASD and 23 without ASD (11/23 had intellectual disability). The 13 remained items exhibited high interrater agreement and high reliability loaded onto a single latent trait. Such model showed excellent fit indices evaluated via confirmatory factor analysis and no item showed differential function in terms of age/sex/IQ. A cutoff of five points or higher resulted in the highest sensitivity (92.75) and specificity (90.91) percentages. OERA is a brief, stable, low-cost standardized observational-screening to identify ASD children.

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