In 1936, pollsters at the Literary Digest were guilty of ________ when they mistakenly predicted a presidential victory for Alf Landon over Franklin Roosevelt by polling people whose names came from the telephone book and automobile registration records.

Question

Quizplus · Accepted Answer

The Literary Digest's poll suffered from selection bias because they only polled people whose names came from the telephone book and automobile registration records, which excluded many lower-income voters who were more likely to support Roosevelt.

In 1936, Pollsters at the Literary Digest Were Guilty of ________