Recent research shows mixed findings on ABA therapy intensity for young autistic children. While some studies suggest higher hours (20-40/week) correlate with gains in IQ and adaptive skills, a 2024 JAMA meta-analysis of 9,038 children found no strong evidence that more hours always mean better outcomes. The key is tailoring intensity to the child’s age, needs, and progress—starting intensive for toddlers but adjusting as they grow. Some experts critique low-intensity studies for flawed methods, while others emphasize developmentally appropriate dosing. Here are two helpful links for deeper reading: [JAMA Study](https://jamanetwork.com/journa....ls/jamapediatrics/fu and [UNC Health’s summary](https://news.unchealthcare.org..../2024/06/new-study-s Let me know if you’d like more details!