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More Examples of Good and Bad Polls Bad – Bill O’Reilly Poll Center Bill O’Reilly Poll Center Self-selected, non-random and non-representative sample –

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Presentation on theme: "More Examples of Good and Bad Polls Bad – Bill O’Reilly Poll Center Bill O’Reilly Poll Center Self-selected, non-random and non-representative sample –"— Presentation transcript:

1 More Examples of Good and Bad Polls Bad – Bill O’Reilly Poll Center Bill O’Reilly Poll Center Self-selected, non-random and non-representative sample – Evidence for Going to War in Iraq, LA Times Evidence for Going to War in Iraq, LA Times Biased wording, leading questions

2 Good – Debt Ceiling Increases Unpopular, Gallup Poll Debt Ceiling Increases Unpopular, Gallup Poll unbiased source and questions, representative and random sample, low margin of error – Legality of Abortion, Pew Research Center Poll Legality of Abortion, Pew Research Center Poll unambiguous wording, large sample size, random sample

3 Assignment I want you to find me two examples of good polls, and two examples of bad ones. On your paper, show me a web link to where you found your polls. Tell me what they discuss, what the results were, and why you think it’s a good or bad poll Due at the end of class


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