Watch short demonstrations of the assessment tools used in the four NIH Toolbox® domains. If you would like to skip to the next demo, click fast-forward (
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All assessment tools for a given domain will be demonstrated in that domain's video. If you would like to see a specific demo, click “YouTube” in the bottom right corner of the video screen. This will take you to the domain-specific YouTube channel, where you can select your video in the menu on the right.