Indirect Functional Assessment By LisaDillon 1 Min Read Share on Facebook Share on Twitter Share on Email Share on Whatsapp Indirect functional assessments include1. structured interviews2. rating scales3. checklists4. questionnaires.Indirect functional assessments do not include direct observations.Sign up here to Learn ABA. Weekly emails delivered straight to your inbox. I want SAFMEDS! Categorized in: ABA Terms, Last Update: