We know that the human brain isn't capable of actually doing two things at once ("multi-tasking"). Ever try watching two TV shows at the same time?

 

But what about task switching - quickly moving between two tasks? Many people think they can switch from one task to another with no loss of time. Let's find out what happens when you switch tasks.

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After you click the Continue button below, you'll be brought to a page containing two "rounds" of a simple task. Quickly read the instructions and then begin immediately.

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Click the Continue button now.