A young child hides their face behind their hands, peek-a-boo style, with their hands just slightly askew so they can peek out the corner of one eye.

What is the most common developmental disability in the USA?

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Test your knowledge with our quiz!

This brief (6 question) quiz will test your knowledge of the most common developmental disability in the United States. Answers are provided at the end of the quiz, along with resources to learn more!