The academic team behind Vote Compass looked at party policy statements and platform documents from the Greens, Liberals, New Democrats and Progressive Conservatives, and consulted the parties to determine how their policies lined up with the way Vote Compass interprets respondents' answers.

All the parties had the chance to answer the Vote Compass questionnaire for themselves, and were given the opportunity to challenge the assessments before the "final codes" went in. The detailed methodology is available here.

Here are the party positions on key issues included in the Vote Compass questionnaire: