I retracted the comment. Not sure why I made it and why I haven't used my brain more, sorry.

Counter-prediction: In ten years time you will not have changed your mind (on this subject) at all.

Likely, because I hate reputation systems. Peer pressure is already bad enough as it is. But if a reliable study is being conducted that shows that reputation systems cause groups to become more rational I will of course change my mind.

Money. Make the prediction with money. Because I want to take it.

Betting money seems to be a pretty bad idea if the bet depends on the decision of someone participating in the bet.