Table 1.

Inclusion criteria and search terms.

Inclusion Criteria	Criteria	Corresponding Search Terms
Participants	Autism spectrum disorder, all participants younger than age 6
Intervention	Early Start Denver Model	“Early Start Denver Model” (Anywhere)
Comparison	Treatment as usual, waitlist control, general information only, referral to other services, or non-ESDM intervention	assign* OR group OR BAU OR “wait list” OR RCT OR random* OR quasi OR control* OR trial (Abstract)
Outcome	Any child outcome
Study Design	Group design study, including randomized control trial and quasi experimental design