The importance of representativeness was effectively demonstrated in 1936 when a weekly newsmagazine, Literary Digest, mailed a postcard presidential election poll to 10 million Americans. Among the more than 2 million returns, Alf Landon won by a landslide over Franklin D. Roosevelt. When the actual votes were counted a few days later, Landon... - http://ashalynd.tumblr.com/post...