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The Green Line and the Security Fence:

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one of <strong>the</strong>se qualities. 22 Still, it is a relief to know that our data both qualitatively (<strong>the</strong><br />

sign of regression coefficients) <strong>and</strong> quantitatively (<strong>the</strong>ir high significance) support<br />

conclusions made by Shamir <strong>and</strong> Arian (1999), Shalev <strong>and</strong> Kis (2002), <strong>and</strong> Andersen <strong>and</strong><br />

Yaish (2003) about <strong>the</strong> major trio (ethnicity, religiosity, nationality) + social factor, while<br />

pointing to several interesting clarifications at <strong>the</strong> same time. This, in turn, justifies our<br />

correct choice of <strong>the</strong> control parameters in our major research directed to ma<strong>the</strong>matically<br />

represent <strong>the</strong> psychological (security) issue. 23<br />

3. Regarding Ethnic Background, we chose <strong>the</strong> smallest possible set of representatives:<br />

ei<strong>the</strong>r entire continents: Asia, Africa, North <strong>and</strong> South America, <strong>and</strong> Europe – or <strong>the</strong><br />

countries that represent <strong>the</strong>ir political preferences most prominently. True, several<br />

countries, like Turkey, Romania, <strong>and</strong> Bulgaria, defy this simplified description, but <strong>the</strong>y<br />

do not influence much <strong>the</strong> results <strong>and</strong> after all we need this variable only as a control.<br />

4. <strong>The</strong> question about religiosity does not exist in <strong>the</strong> census, <strong>and</strong> this is its major<br />

deficiency regarding our analysis. We had to invent a plausible variable to represent it:<br />

large families (7 or more members) could represent <strong>the</strong> religious group while single<br />

people are more likely to be non-religious. This choice is justified a posteriori, since <strong>the</strong><br />

former group votes strongly Right while <strong>the</strong> latter group votes strongly anti-Right.<br />

5. Though all variables, including dependent ones, are qualitative, except Income, after<br />

aggregation <strong>the</strong>y became “quantitative,” which makes <strong>the</strong> technical analysis much easier.<br />

<strong>The</strong>refore, to analyze census aggregate data, we chose linear regression instead of logistic

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