We appreciate the comments from Dr Marks and Dr Glascoe. As primary care physicians and members of the US Preventive Services Task Force (USPSTF), we share their dedication to improving the health of all children, including those with possible language and other developmental problems. We would like to emphasize that the USPSTF is not arguing against screening for speech delays or disorders. Instead, the USPSTF identified a critical gap in the evidence needed to demonstrate that routinely screening all children for language delays and disorders in primary care might improve language outcomes. Dr Marks and Dr Glascoe point to the potential benefits of broadband screening instruments for identifying a wide array of neurodevelopmental problems in children. Although such screening might be of value, its use goes beyond the specific aims of this USPSTF evaluation, which focused specifically on language. The USPSTF has not evaluated the use of broadband screening instruments...

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