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Ever have an argument with someone, and no matter how many facts you provide, you just can’t get that person to see it your way? One big reason for this is cognitive bias, which is a limitation in our thinking that can cause flaws in our judgment. Confirmation bias is a specific type of cognitive bias that motivates us to seek out the information we already believe and ignore or minimize facts that threaten what we believe. Studies show that when people are presented with facts that contradict what they believe, the parts of the brain that control reason and rationality go inactive. But, the parts of the brain that process emotion light up like the Fourth of July. Have your students watch the video and respond to the question in KQED Learn. This video has a learning activity in the Support Materials section.
