Stephan sloman is a professor of cognitive, linguistic and psychological sciences at bran university. He says the first thing you should try to get people to change their own minds by simply asking them to assume your perspective. One experiment sloman has done is asking people to explain, not reason, but to actually explain, at the nuts and bolts level, how something works. If you can get people to step outside themselves and think about the issue, not even necessarily from your perspective, but from an objective one that is detached from their own interests, people learn a lot.