Attitude towards parties and politicians after the parliamentary elections; voting behaviour and political knowledge. Topics: Own opinion leadership in political questions: effort to convince others of a candidate or a party; campaign aid; attempts to become convinced by a party or by a candidate during the election campaign; participation in the election; party preference: first vote and second vote; most important political issues of the last four years and judgement of the goverment´s preformance to handle these issues; judgement of the performance of the Federal Government in general; satisfaction with democracy; significance of the party which forms the government for the respondent and for his personal vote; democracy as the best form of government; recall voting in 1998; judgement of the political work of the preferred party during the last four years; judgement of the representation of the voter by the representatives; perceived representation by a party and a candidate; party affiliation (ranking); party identification; sympathy scale for the parties; left-right classification of parties; political participation by writing letters, participation in a demonstration and in an initiative; judgement of the individual liberty and human rights in Germany; assessment of corruption in Germany; self-assessment on a left-right continuum; knowledge test: acting Interior Minister, number of the federal states and the member states of the European Union; constituency number of the respondent; date of the voting decision; remembrance of the direct candidate in the constituency, his name and his party membership; interest in politics; frequency of use of information sources redarding the elections; referring selected political issues to the parties; relevance of issues; competence of the possible government coalitions to solve problems; trustworthiness and assertiveness of Gerhard Schröder and Edmund Stoiber. Demography: Age (year of birth); sex; education degree; marital status; living together with a partner; labour union membership and labour union members in household; further memberships; temporal size of the gainful employment; profession (ISCO88) and required education; professional position; area of business; employment of the partner; profession of the partner and required education; professional position of the partner; area of business of the partner; monthly household net income; size of household; persons under 18 years living in the household; frequency of church attendance; religiousness; denomination; spoken language in the household. Additionally coded was: Federal state; municipality size.