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Consider the following statement, "In a nationwide study, children on an all-organic diet are more alert in school than those not on an all-organic diet." Which of the following is a plausible confounding variable in this study?
Party Identification
An individual's psychological attachment to or preference for a political party.
Ideology
A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.
Voter Turnout
The percentage of eligible voters who cast a ballot in an election, often used as a measure of political engagement.
Local Elections
Electoral processes where voters select officeholders and make decisions on local issues within their municipality or community.
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