Prompts, polls, and parliaments

How does choice of party options affect polling estimates?

Wording, order, and offered response options affect how people answer questions. Survey estimates can differ based on available or prompted answers.

Open and closed

A common political question is: what is the most important issue to you (and your vote choice)? Survey researchers could give people a list to choose from. That is a closed-ended question. Another way is to allow people to write what they think of: an…