Table 1.

Search Methods Used to Retrieve Relevant Literature

Type of literature	References examined	Rationale for examining particular types of literature	Extracted components
Existing literature on attitudes about autism	The Openness Scale,5 the ASK-Q,7 the AAS,18 the MAS,16,17 the Social Distance Scale,6 and the SATA19	Existing surveys about attitudes about autism include items that measure the perceptions toward autism.	• Preferences (like/dislike) • Degree of comfort • Willingness to engage with an autistic person
Meaning of acceptance in the deaf communities	Cambra et al.20 and Friedner and Block21	• Articles on the acceptance of autism were scarce. • The autistic culture of acceptance was considered similar to the acceptance in the deaf culture.20,21	• There are different ways to be in the world • Such differences should be valued
Literature on neurodiversity	Several blog posts uploaded on the ASAN	ASAN provides a forum for their voices to be heard and seeks to promote a culture of inclusion and neurodiversity.	• Willingness to provide appropriate accommodations • Challenging the assumptions that autistic individuals should follow nonautistic social norms
ABC model of attitude	Antonak and Livneh22	Attitudes can be nuanced or ambivalent in that a person can simultaneously possess negative feelings and beliefs and show contradictory behaviors.23	• Affective: emotions concerning autistic individuals • Behavioral: typical behavioral tendencies in the presence of autistic individuals • Cognitive: beliefs about autism

AAS, Autism Awareness Survey; ABC, affect, behavior, and cognition; ASAN, Autistic Self Advocacy Network; ASK-Q, Autism Stigma and Knowledge Questionnaire; MAS, Multidimensional Attitudes Scale Toward Persons With Disabilities; SATA, Societal Attitudes Toward Autism Scale.