Slide 1: Different Public(s) and Voting Preferences : “Strata” and Data
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Slide 1: Different Public(s) and Voting Preferences: “Strata” and Data
Dr. East
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Slide 2: Polls Divide Pubic by Stratum
Pronounced ˈstrātəm,ˈplural noun: strata1. a layer or a series of layers of rock in the ground."a stratum of flint”Synonyms: layer, vein, seam, lode, bed
2. a level or class to which people are assigned according to their social status, education, or income, etc. "members of other social strata”Synonyms: class, public group, set, level, rank, grade
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Slide 3: Remember? Stratified Sampling
Clearly a sample of hippies and non-hippies
;)
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Slide 4: AP EXAM Refresher: Graph and Map Reading
• Read title to get idea of theme• Read X axis title, and y axis title, if no title read
categories• Look for legend, look for source info. • What kind of graph is it? – Histogram or bar chart– Line– Pie (wedges always sum to 100%)– ?????? Pay attention! Here’s some examples
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Slide 5: % Voter Turnout/Participation in Elections: US to Other Countries
0 20 40 60 80 100
US
Canada
UK
Norway
Australia
Italy
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Slide 6: % Voter Turnout Over Time
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Slide 7: % Voter Turnout by Age
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Slide 8: Party Affiliation over Time
# independents have grown but party affiliation
is still # 1 reason for
voting a particular way
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Slide 9: 2012 Exit Polls by Gender, Race & Ethnicity
Obama left column;
Romney Right column
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Slide 10: Ideological Orientation & Party Affiliation Not the Same
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Slide 11: 2012 US Voter Preferences
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Slide 12: 2012 US Voter PreferencesDemocrat RepublicanVoter Breakdown
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Slide 13: Democrats Win Urban Areas
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Slide 14: Religion and Voting
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Slide 15: Polls & A “Litmus Test” Issue like Abortion
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Slide 16: Litmus Test Issue Cont.