Useful tool to discuss decisions, viewpoints and to investigate conflict situations.
Scales of Agreement Method
I was not quite satisfied with the cards provided on the meeting facilitation site  so I did a little bit of research and that it what I came up with:
- Coaching & Beratung by Gerald Wintersperger
- Agile Coaching by Rachel Davies, Liz Sedley
-  Scales of Agreement – A Team Decision Making Tool