Pros and cons of public opinion polls - Jason Robert Jaffe

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...

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Translator: Andrea McDonough Reviewer: Jessica RubyWe are constantly asked for our opinions.Which team do you think will win the Super Bowl?Who wore it better on the red carpet?Who are you going to vote for for mayor?Public opinion polls are everywhere.Important decision makers in American governmenthave long relied on public opinion pollsthroughout elections and important legislation.The problem is public opinion isn't easy to trackand, often times, isn't even right.In 1948, the <i>Chicago Daily Tribune</i> ran a now famous headline:"Dewey Defeats Truman,"they cried in big, bold, black and white letters.The problem isthat Dewey hadn't defeated Truman.The <i>Tribune</i> had...