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Welcome

The Child Lab is a website where you and your child can participate in research with Yale University. You can participate anywhere in the world, using any device that has both a webcam and internet access (including your smartphone).

Our goal is to understand how children think in general, so there are usually no right or wrong answers. We ask our questions to hundreds of children, both at our Yale University lab and online at this website, to learn the most common answers at different ages. When children participate in person, they get to choose a prize. If your child participates online, we will e-mail you an Amazon gift card.

You learn more information by clicking here, and you can sign up by clicking here.