In the US, "24.2% of counties... have neither a BCBA nor an RBT in residence"? 7.4% of BCBAs (N=3074) were supervising 11 to >51 RBTs? link.springer.com/article/10.1... meanwhile there is still no evidence that BCBAs or RBTs are more beneficial vs harmful for autistics; & see those undisclosed COIs
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Marissa E. Yingling, Matthew H. Ruther, Erick M. Dubuque (2025). County Variation in the Supervision of Registered Behavior Technicians for the Provision of ABA Services in the United States. Behavior Analysis in Practice, 18(4), 1064-1075. Springer Science and Business Media LLC.
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