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Factor Analysis of a Stigma Measure for Adults with Autism
Title
Factor Analysis of a Stigma Measure for Adults with Autism
Creator
Beedle, Robert Brian
Date
2019
Description
This study evaluates a measurement tool for public stigma of adults with autism. Autism Spectrum Disorder (ASD) is a developmental disability...
Show moreThis study evaluates a measurement tool for public stigma of adults with autism. Autism Spectrum Disorder (ASD) is a developmental disability affecting individuals’ sensory experiences, behaviors, and social interactions (American Psychiatric Association, 2013). Current literature has examined public stigma of ASD through qualitative methods and select attitude and social distance scales, consistently reporting lower levels of negative attitudes when disclosure of ASD diagnosis is provided (Gray, 2002; Hennegan, 2010; Obeid et al, 2015). Other research suggests adults with ASD frequently experience stigma and discrimination in their daily lives across settings (MacLeod, Lewis, & Roberson, 2013; Nicolaidis et al, 2015; Thibault, 2014). Previous research has not examined whether known processes of stigma (i.e., Attribution Theory, Danger Appraisal models) are applicable to understanding the stigma reported by this population. In the current study a commonly used measure of the stigma of mental illness (Attribution Questionnaire 27) was administered to determine its psychometric properties when applied to adults with ASD. Examination of a previous measurement model for this questionnaire on a sample of participants (N = 160) indicated lack of model fit. A larger sample (N = 306) was collected to determine the data-driven factor structure of this measure. A series of exploratory factor analyses indicates a three-factor, 24-item solution that displays strong psychometric properties, as well as convergent validity with other measures of attitudes towards disabilities and ASD. Results of this study suggest additional need to research the topic of stigma towards adults with ASD.
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The Development of a Measure of Public Stigma Towards Adults With Autism
Title
The Development of a Measure of Public Stigma Towards Adults With Autism
Creator
Beedle, Robert Brian
Date
2022
Description
Adults with autism (AwA) report experiences of stigma and discrimination. Yet, quantitative research suggests that public attitudes are...
Show moreAdults with autism (AwA) report experiences of stigma and discrimination. Yet, quantitative research suggests that public attitudes are relatively benign. This research discrepancy is compounded by the present lack of a stakeholder-informed, theoretically-guided measure of the stigma towards AwA. The objective of the present study was to develop a measure of stigma towards AwA following best practices survey methodology. First, existing related measures were reviewed for possible candidate items, yielding 36 draft questions related to the stigma of AwA. Next, seven stakeholders in the AwA community were recruited to provide feedback on their experiences of stigma and discrimination, as well as feedback on the draft items. Following stakeholder feedback, draft items were edited, added, or removed based on feedback from the participants with AwA and their lived experiences, resulting in a revised measure of 51 candidate items. Finally, these 51 items underwent a quantitative phase with participants recruited through MTurk (N = 357). Exploratory factor analyses were conducted in order to generate a data driven factor structure that reflected stigma theory. The end result was a 20-item, four factor solution measuring numerous components of stigma within factors including cognitive components of stigma, blame, positive and negative affect, and comfort with close contact. The resulting measurement tool was titled the Public Stigma towards Adults with Autism Scale (PSAWA) and demonstrated strong psychometric properties. The tool has utility for further studying stigma towards AwA and assessing stigma interventions.
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