Thumbs up or thumbs down
Roman voting
Using your five fingers
Fist of five
Using dots
Dot voting
Conversing with each other. Building consensus
124 all
Jim highsmith check mark options in favor okay mixed feelings disagree veto
Decision gradient
Often used when estimating agile. Number voting on a piece of paper
Planning poker
The greatest group wins
Plurality
50% or more wins
Majority
Everyone agrees
Unanimity
What is multi criteria decision analysis
Uses metrics