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Bell Ringer

Bell Ringer. In your notebook, Define the following terms: Sample Random Sample Sampling Error Exit Polls Gender Gap Civil Disobedience When you are done, turn to page 185. Public Opinion Polls. How the Government Knows What It Knows. Analyzing Figure 6.3. What does this graph show?

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Bell Ringer

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  1. Bell Ringer • In your notebook, Define the following terms: • Sample • Random Sample • Sampling Error • Exit Polls • Gender Gap • Civil Disobedience • When you are done, turn to page 185

  2. Public Opinion Polls How the Government Knows What It Knows

  3. Analyzing Figure 6.3 What does this graph show? What is the trend that you see? Why do you think that voter participation declines around the age 70? What does the red line represent?

  4. Conducting Polls • Someone read the first paragraph under “How Polls are Conducted” – Page 185 • So how it works: • You take a given population: let’s say America. Can you survey everyone in America? • Not effectively – So you get a sample • We generally want at least 1500 people • We want a random sample – everyone in the population has an equal chance of being selected. • How would we do this? • Most polls today are done through random digit dialing • Two other ways to conduct polls – via the mail and face to face • What would be some pros and cons to each method? • Think of the time they take, the accuracy, the cost and potential biases

  5. Sampling Error What is this? How then can you avoid it? Can avoid sampling error by increasing the percentage of people polled

  6. Exit Polls • Turn to page 188 – Someone read the paragraph about exit polls • Couple of Issues • People lie • Some people vote a “straight ticket” and have no idea who they voted for

  7. Other Problems With Polling • Questions can be biased to get the answers that the pollster wants • Respected organizations (Gallup, Rassmusen)rarely do this • Example: • Do you support continued military action in Iraq and Afghanistan? • Do you think that America should leave Iraq and Afghanistan before the job is complete, essentially ensuring that the American soldiers who have died will have done so in vein? • Does one of these questions seem to have a bias?

  8. Let’s look at a few polls • Look at Table 6.4 on page 193 • http://www.rasmussenreports.com/ • http://zogby.com/polls/latest/ • http://www.gallup.com/home.aspx • Gallup is more diverse • Generally need to have at least 1,500 participants for a poll to be valid

  9. Political Participation • How can American’s participate in politics • Easiest way – Vote • What are some others • Protest • Civil Disobedience • what is this – Who made it famous in America? • Giving Money to a Candidate • Look at Figure 6.5 – page 200 • Running For Office • Writing a letter

  10. Assignment – Due on Monday Create and administer an opinion poll Come up with 5 questions (minimum) to find out at least 5 people’s opinions about one of the following topics: The Economy, President’s Approval, Unemployment, Obamacare Then you answer the following questions: What is your population? What is the size of your sample? Is there a sampling error? Does your survey measure what you want it to? What do your results tell you?

  11. Example Topic: Fraga’s Ability to Teach Question 1: Is Fraga a good teacher? Question 2: Have you learned anything? Q 3: Does Fraga know what he is talking about? Q 4: Do you feel confident that you will pass the AP test? Q 5: What President does Fraga Look like? Population: Seniors at DeSoto High School Sample: 20-ish students Sampling Error: Probably – Only have AP students. Also, the class I ask could be demographically different Validity: All but question 5 assess student’s opinion of Fraga’s teaching ability These results tell me that…

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