INDT-ASD has high diagnostic accuracy, adequate content validity, good internal consistency high criterion validity and high to moderate convergent validity and 4-factor construct validity for diagnosis of Autistm spectrum disorder. Use this quiz to help you determine if you may need to be evaluated or screened for autism. INDT-ASD has a 4-factor structure explaining 85.3% of the variance. The tools, such as Autism Spectrum Quotient (AQ), Childhood Asperger Syndrome Test (CAST), and the Modified Checklist for Autism in Toddlers (M-CHAT), which are discussed in later sections, often consist of large sets of items for discriminating the autistic behaviours from all other types of PDDs 19,20,21. The convergent validity with CARS (r = 0.73, P= 0.001) and divergent validity with Binet-Kamat Test of intelligence (r = -0.37 P=0.004) were significantly high. During the assessment, the specialist will. The internal consistency of INDT-ASD was 0.96. A paediatrician, psychiatrist or registered psychologist completes an assessment by examining your childs. The concordance rate between the INDT-ASD and expert diagnosis for 'ASD group' was 82.52%. Look at the What it tests section for a more comprehensive explanation of systemizing. Systemizing is the drive to analyze or construct systems. The overall diagnostic accuracy (AUC=0.97, 95% CI 0.93, 0.99 P<0.001) and validity (sensitivity 98%, specificity 95%, positive predictive value 91%, negative predictive value 99%) of INDT-ASD for Autism spectrum disorder were high, taking expert diagnosis using DSM-IV-TR as gold standard. The Systemizing QuotientRevised ( SQR) is a self-report questionnaire comprising 75 items, which is used to assess systemizing cognitive styles. Psychometric parameters of diagnostic accuracy, validity (construct, criterion and convergent) and internal consistency.ġ54 children (110 boys, mean age 64.2 mo) were enrolled. INDT-ASD and Childhood Autism Rating Scale (CARS) were administered in a randomly decided sequence by trained psychologist, followed by an expert evaluation by DSM-IV TR diagnostic criteria (gold standard). Such assessments are used to characterize areas of strength and weakness, inform differential diagnosis, guide treatment planning, and evaluate change over time. To develop and validate INCLEN Diagnostic Tool for Autism Spectrum Disorder (INDT-ASD).ĭiagnostic test evaluation by cross sectional design.įour tertiary pediatric neurology centers in Delhi and Thiruvanthapuram, India.Ĭhildren aged 2-9 years were enrolled in the study. Neuropsychological assessment involves the comprehensive evaluation of intellectual, attentional, executive, social-cognitive, language, and motor functioning.
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