Knowledge and reported use of evidence-based practices by early intervention professionals working with autistic children in Saudi Arabia

•Using of evidence-based practices than emerging and unsupported practices by autism early intervention professionals.•Some evidence-based practices were used infrequently - less than once per week on average.•Unsupported practices were used more frequently than emerging practices.•Most autism early intervention professionals reported receiving information about practices from other teachers.•Autism early intervention professionals had a higher level of willingness to use evidence-based practices if it was a requirement and the location of their school/centre was a major city.