Treatment Fidelity and Competency Outcomes Under Workforce Scarcity: A Review of RBT Training Intensity and Constrained BCBA Supervision

As demand for autism services expands into emerging-market and other low-resource settings, workforce scarcity may constrain the initial training and ongoing supervision available to Registered Behavior Technicians (RBTs). This paper uses a narrative synthesis of six sources—practice guidelines, peer-reviewed empirical studies, and international task-sharing literature—to examine the relationship between training intensity, BCBA supervision, treatment fidelity, and competency outcomes under these conditions. Across the reviewed evidence, maintaining fidelity appears to depend not only on supervision quantity but on establishing a supervisory floor of competency-based initial training and ongoing feedback; once that floor is in place, supervisor qualifications and experience may matter more than additional hours—a pattern that appears to shift toward supervision dosage and structure in more severely scarcity-affected settings—while remote feedback may provide a workable alternative to in-person supervision. Interpretation remains limited by inconsistent definitions and measurement of fidelity and competence across the literature, as well as the lack of ABA-specific evidence from Ghana, West Africa, and comparable LMIC settings.