Development of Autism Spectrum Disorder Scale and its Psychometric Properties

Tasmia Ijaz ()
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Tasmia Ijaz: Department of Psychology University of Gujrat

International Journal of Innovations in Science & Technology, 2022, vol. 4, issue 6, 9-24

Abstract: Autism spectrum disorder scale was developed for the use of diagnosespurposeof autism.This scale is consisting of 15 itemsin Pakistan’s indigenous language Urdu.Most autism assessment tools are available in English and were developed by Western cultures; however, when those tools are used in different cultures, biasedresults can be evident.So, a culture-friendly tool was dire need to be developed. A scale was developed and administered to individuals (N=143)with autism using standard procedures from item pooling to standardization of scale. The sample was selected from different cities inPakistan through a convenient samplingtechnique. Rotated component matrix analysis, factors loading, sample adequacy KMOand CFI tests were performed using SPSS and AMOS.The convergent validitytestdemonstrated that there is a significant correlation (r=0.81, p=.00) at the 0.01 alpha level with CARS on the sample of n=50. The indigenous scale also confirmed good test-retest reliability (r=0. 950, p=.000) at a 0.01 alpha level, which indicatedthatthe scale is a valid and reliable measure for diagnosing individuals with an autism spectrum disorder. This scale can be used by researchers, psychologists, and psychiatrists for the general population to measure the prevalenceand for diagnosis.

Keywords: Autism Spectrum Disorder; Scale Development; Autistic IndividualsAndChildhood Autism Rating Scale (search for similar items in EconPapers)
Date: 2022
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