Okay, so you've collected your facts and prepared PowerPoint slides. You're sure your evidence is overwhelming and you've quoted authorities to support your arguments. You are ready to present your proposal to your community.
What could possibly go wrong?
It’s an old debate. Should you ‘accentuate the positive; eliminate the negative’ or give them a reality check by telling them how serious things could be if they don’t accept your argument? It depends on their starting point. Philip Broemer of the University of Tubingen in Germany believes that the key issue is ambivalence.