Child playing chess


The Vocab Quiz. How many words do you know? See your results at the end.


Which English?. Help us map the grammar of English around the world? See our best guess as to which world English you speak.


Mind Reading Quotient. Forget psychics, all of us have to read minds. We try to figure out what people are thinking based on what they say or do. See your results at the end.


Ignore That! How distractable are you? How well can you ignore irrelevant information? See your results at the end.


Trials of the Heart. In the future, you won't be allowed to cause other people to have emotions. See what this future is like, and help researchers better understand human emotion & language. In English and/or Korean.




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