respondent's age group (derived from age)

respondent's trust in the cantonal government of Aargau (reduced)

respondent's trust in the cantonal parliament of Aargau (reduced)

respondent's trust in the Swiss democracy (reduced)

respondent's marital status (own statement; reduced)

respondent's marital status (official cantonal register information; reduced)

respondent's denomination or religious community (reduced)

higher education entrance qualification, diploma/technical secondary school, higher vocational training

respondent's highest level of education (reduced)

respondent's current employment situation (reduced)

the political party (recoded extended set) the respondent feels closest to his/her own political stance

respondent's monthly gross equivalised income (OECD square root scale) based on average monthly gross household income

empirical quarter the respondent's monthly gross equivalised income belongs in

dummy value indicating whether or not the respondent answered the skill question "Who decides on new laws at federal level in Switzerland?" about the federal political system correctly

dummy value indicating whether or not the respondent answered the skill question "How are the members of the National Council determined? What matters is…" about the federal political system correctly

dummy value indicating whether or not the respondent answered the skill question "Against which decisions can the referendum be taken?" about the federal political system correctly

dummy value indicating whether or not the respondent answered the skill question "How are the members of the Aargau government appointed?" about the cantonal political system correctly

dummy value indicating whether or not the respondent answered the skill question "What is the role of the "Landammann" in the canton?" about the cantonal political system correctly

dummy value indicating whether or not the respondent answered the skill question "What should the equalization of resources between municipalities in the canton of Aargau ensure?" about the cantonal political system correctly