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Respondents were asked, "Do you support or oppose requiring criminal and mental health background checks on all gun purchases in the United States, including at gun shows and for private sales?"
Tea Party identification is based on the following question, also asked in the survey: "Suppose the Tea Party movement organized itself as a political party. When thinking about the next election for Congress, would you vote for the Republican candidate from your district, the Democratic candidate from your district, or the Tea Party candidate from your district?" Those who responded "Republican candidate" are considered Republicans (non-Tea Party movement) and those who responded "Tea Party candidate" are considered Tea Party Republicans.