Neurodiversity affirming frameworks are a paradigm shift from a deficit-focused approach to autism to recognizing autism as a heterogeneous constellation of differences in abilities and strengths. This article completed a literature review and data synthesis to (1) identify autistic strengths used in the design of psychosocial interventions, (2) propose mechanisms of change that explain strength-based psychosocial intervention effects on mental health and wellbeing outcomes, and (3) integrate findings in a conceptual model for testing in future research studies.

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