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The earlier the better: An RCT of treatment timing effects for toddlers on the autism spectrum.

Whitney GuthrieAmy M WetherbyJuliann WoodsChristopher SchatschneiderRenee D HollandLindee MorganCatherine E Lord
Published in: Autism : the international journal of research and practice (2023)
9 months of Group-ESI, with the timing/order of these two treatment conditions randomized. Thus, families received the more intensive and individualized Individual-ESI at either 18 or 27 months of age. Results revealed that children who received Individual-ESI earlier showed greater treatment gains than those who received this intervention later. Gains were demonstrated in several areas, which included the use and understanding of language, social use of communication skills, and self-help skills. Importantly, these findings were specific to the intensive and individualized parent coaching model compared to group-based treatment, allowing us to rule out the possibility that these timing effects were due to children getting older rather than the treatment itself. Our results suggest that even a narrow window of 18 versus 27 months may have an impact on outcomes and underscore the importance of screening and evaluation as young as possible.
Keyphrases
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  • autism spectrum disorder
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