Lecture Slides Feb 10 - Polling Details and Research Ethics...

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1 Polling Details and Research Ethics POLS107 February 10, 2010 Professor Jackson Definition of Terms Population : the set of people we want information about Sample : a subset of the population selected for analysis Representative sample : a sample that accurately reflects the specified population Random = Good Random sample : a sample selected so that every person in the population has an equal probability (chance) of being chosen
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2 Survey Methods In-person interviews Telephone interviews Internet surveys CNN QuickVote 2/4/10 Do you agree with the Tea Party movement’s agenda? 95,955 Total 12,558 13 Unsure 48,939 51 No 34,458 36 Yes N % This QuickVote is not scientific and reflects the opinions of only those Internet users who have chosen to participate. The results cannot be assumed to represent the opinions of Internet users in general, nor the public as a whole. The QuickVote sponsor is not responsible for content, functionality or the opinions expressed therein. I'm going to read you the names of several individuals. Please tell me whether you have a generally favorable or unfavorable opinion of each one. If you've never heard of someone, please just say so. The Tea Party Movement. 24
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Lecture Slides Feb 10 - Polling Details and Research Ethics...

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