CEVAP:

The most common poll is the opinion poll. Answer: News media, research organizations, thinktanks, governments and non-profit organizations conduct these polls. Politicians also use opinion polls to see how the public feels about policies and social issues. Shortly before elections, candidates use public opinion polls to understand the popularity of candidates. Candidates also use opinion polls as a way to show their strength. Interest groups and political parties use public opinion polls to promote their causes.