Evaluation parameters for evidence-based practices for people with autism spectrum disorder: a narrative review of group and single-subject design studies.

Recommendations for using evidence-based practices have become increasingly common in services for individuals diagnosed with autistic spectrum disorder (ASD). The aim of this study was to conduct a narrative literature review to identify differences and similarities in evidence-evaluation criteria for group and single-subject designs that empirically support interventions for people with ASD. Data sources used in this analysis were reports and articles elaborated by different clearinghouses (i.