Selects 2007 contains two basic surveys. (1) A voter survey and (2) a candidate survey. (1) The CATI voter surveys includes 4392 respondents. An additional paper survey was sent to those 3009 respondents that were willing to fill in the paper survey. This additional paper survey was filled out by 2291 respondents. (2) 1719 of the 3181 candidates for both chambers of the parliament participated in the candidate survey. Erhebungsverfahren: - Standardisierte Befragung telefonisch - Standardisierte Befragung schriftlich Erhebungseinheiten: (1) Voters; (2) candidates Auswahlverfahren: (1) random; (2) all candidates Anzahl Untersuchungseinheiten: (1) 12081 adresses, 4392 interviews; (2) 3181 candidates, 1719 interviews Untersuchungsdesign: single surveys Durchführung der Feldarbeit: (1) LINK; (2) smartvote