Examining Sociodemographic Variability in the Amount and Type of Interventions for Children With Autism.

The team pulled records from the Simons Simplex Collection. They looked at how many hours of therapy each child got. They also noted the family’s race, income, and mom’s education level.

The goal was to see if these social factors linked to different amounts or kinds of services.

Black, Hispanic, lower-income, and less-educated families received fewer weekly ABA hours. They also used fewer evidence-based services overall.

The gap stayed even after the authors counted other child traits.

Anonymous (2024) mined the same registry and found the exact same pattern. The two papers are direct replications of each other.

Frazier et al. (2023) extends the story by showing COVID-19 made the gap worse. Hours dropped almost 11 per month, and Asian and school-funded kids recovered more slowly.

Lafont et al. (2023) broadens the picture to France. There, low parent status also predicted fewer inclusion hours, proving the issue crosses borders.

Linstead et al. (2017) adds the payoff: more hours lead to faster skill mastery. Taken together, unequal dose may drive unequal outcomes.

You now have hard numbers to show funders why equity audits matter. Check your own caseload for race, income, or education gaps in authorized hours. If you see a shortfall, flag it and request a re-authorization. Fair dose is a justice issue and a learning issue.