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APPENDIX Samples, Survey Items, and Variables  TABLE A.1 Representativeness of Sample and Local Populations in Fall 2001 Farma White Black Asian Latino Other Boone sample 4.5 96.9 0.6 0.0 0.6 1.9 Boone population 4.7 97.9 0.3 0.2 0.8 0.7 Boone High School — 98.5 0.1 0.8 0.3 0.2 Carroll sample 8.0 98.7 0.1 0.4 — 0.4 Carroll population 8.1 98.3 0.2 0.3 0.5 0.6 Carroll High School — 98.4 0.5 0.2 0.9 — Harlan sample 8.4 97.6 — 0.5 — 2.0 Harlan population 10.4 98.0 0.1 0.3 1.0 0.8 Harlan High School — 98.4 — 0.2 1.3 0.2 Perry sample 13.6 66.7 2.3 2.3 22.4 5.5 Perry population 4.1 75.2 1.0 0.5 14.5 1.3 Perry High School — 76.6 2.1 2.0 19.3 — Storm Lake sample 10.6 72.0 — 13.0 12.6 2.3 Storm Lake population 8.2 78.2 0.3 3.9 11.1 1.4 Storm Lake High School — 66.0 1.0 12.8 20.0 0.2 Source: Population figures are based on figures from the U.S. Census, 2000. School population figures are based on the 2001–2002 school year. Dashes indicate that schools do not collect or report the information. Note: Values are percentages. a Sample reflects percentage reporting that both parents are employed full time in farming. 154 Appendix TABLE A.2 Survey Items and Descriptive Statistics Survey items Rangea Meanb Standard deviationb Dependent variables for Chapter 3c Immigrants in Iowa take jobs away from Americans who want to work. 0–4 1.99 1.23 Hispanic people that move here from other countries will improve American life with new ideas and customs. (reversed) 0–4 1.71 1.10 Asian people that move here from other countries will improve American life with new ideas and customs. (reversed) 0–4 2.06 0.92 [Town name] would be a better place to live if more immigrants moved in from other countries. (reversed) 0–4 1.34 1.04 When people move here from other countries, they should learn to speak English as soon as possible. 0–4 0.77 0.92 Immigrants work much harder than the people born here in the United States. (reversed) 0–4 1.87 1.16 There would be fewer problems if there weren’t as many immigrants allowed to move here. 0–4 1.82 1.28 Dependent variables for Chapter 4 Political knowledged 0–7 4.40 1.45 How many U.S. Senators does each state have?e 0–1 0.64 0.48 In the U.S. House of Representatives, the member who is elected to preside is called the: 0–1 0.28 0.45 Where can you find the Bill of Rights? 0–1 0.74 0.44 How often are U.S. presidential elections held? 0–1 0.91 0.28 Who is the current chief justice of the Supreme Court? 0–1 0.36 0.48 Who is the current vice president of the United States? 0–1 0.84 0.36 Which system of governance is defined by power divided between national, state, and local governments? 0–1 0.62 0.49 Internal efficacyf 0–12 6.00 2.00 I am as well informed about politics as others. (reversed) 0–4 1.93 1.01 Other people are better at understanding complicated political issues than I am. 0–4 1.79 1.04 I have a pretty good understanding of political issues. (reversed) 0–4 2.40 0.92 External efficacyg 0–8 3.00 2.00 Public officials don’t care what people like me think. 0–4 1.68 0.96 People like me don’t have any say in what government does. 0–4 1.60 1.10 Generalized trust: You can generally trust people to do the right thing. 0–1 0.34 0.47 Intention to vote: If you were 18 and eligible by 2004, would you vote in the next presidential election? 0–1 0.80 0.40 Participation in school activities:h Which of the following activities are you involved with at your high school? Please fill in as many as apply to you...

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