What type of data do surveys grant?
Correlational data
3 voorwaarden voor causality
What is a Standard Format Question
A closed-ended survey question that does not offer a don’t know or no opinion option
What is a Quasi-Filter
A closed-ended survey question that includes a choice
for respondents who have no opinion or do not know about an issue
What is a Full-Filter
A survey question that first asks whether a respondent
knows about an issue, then only asks those who reply yes with knowledge about the issue