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In Januari 2009, a question was asked in the LISS panel about the flu shot. This followed the questionnaire which had been administered in the panel in September 2008.

In September 2008, a questionnaire on preventive
care and the value of risk reduction was administered to the LISS panel. Panel
members were asked about their participation in preventive care programs
available in the Netherlands
(flu shots, cervical cancer tests, mammograms, STD tests and the use of aspirin
for the prevention of heart disease). In addition, they were asked about their previous experience with the disease and
prevention, whether they were invited to participate in the free program, the
motivations behind their participation decision, the actual or expected costs
of the intervention, risk factors that might influence their individual risk of
disease, and their perceptions of the risks they face with and without
preventive care.

Panel members were
asked a number of subjective probability questions, including the risk of
developing a particular disease and the risk of mortality. The questionnaire also had an experiment to
investigate the role of framing. Some people were asked about the probability
of survival and others were asked about the probability of death. Also the order
of the subjective probability questions was randomized.

Finally, visual aids were used to help people to interpret and express
small probabilities: One third of the respondents answered the probability
questions in a normal answer box, one third received a digital scale to provide
their answer, and one third was presented a number-line with a magnifier,
making it easier to choose very small probabilities.

The survey consists of questions from the Dutch Parliamentary Election Studies.In May 2010, the questionnaire of the Dutch Parliamentary Election Studies (NKO) was administered to the LISS-I panel. In June 2010, the second part was administered

Two wave survey on voters' opinions: before and after the Dutch parliamentary elections of 1989. Systematic analysis of change in political opinions and behaviour of the Dutch electorate. Pre-election wave: reading of newspapers / tv newscast exposure / most important national problems / party identification and membership / evaluation of government policy on economic situation, labour market, personal income situation / political issues ( perception of main parties standpoint, own stand ): abortion, nuclear plants, differences in income / voting in last European Parliament elections / voting in last national election / coalition preference / opinion on cleaning pollution / sympathy rating of parties and leading politicians / party identification of parents / Post-election wave, additional variables: voting behaviour / time of vote decision / voting stability / political issues ( perception of main parties stand, own stand ): euthanasia, NATO nuclear arms on Dutch territory / expectations regarding own income situation, general prosperity and influence of coalition on that / prevalence of reduction of unemployment versus reduction of government debts / knowledge of, opinions on leading politicians / left, right rating of political parties / sense of political efficacy / civic competence, participation / party campaign activities / membership of and participation in extra-parliamentary organizations / influence of religion / pillarization - compartmentalization / confessionalism / secularism / self centredness / importance of national political goals /sympathy rating of politicians Background variables: basic characteristics/ residence/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ education/ social class/ politics/ religion/ readership, mass media, and 'cultural' exposure/ organizational membership.