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View full lesson: http://ed.ted.com/lessons/pros-and-cons-of-public-opinion-polls-jason-robert-jaffe
How do public opinion polls work? And, more importantly, are they accurate? Jason Robert Jaffe reveals the complexities and biases of polls and provides tips on how to think about polls as we make everyday decisions.
Lesson by Jason Robert Jaffe, animation by Flaming Medusa Studios.