Blank Ballot Criterion
Definitions
A spoiled ballot is a ballot that fails to indicate any preference between any of the candidates.
Statement of Criterion
The addition of one or more spoiled ballots cannot change the winner.
Complying Methods
- Complies: Approval voting, Cardinal Ratings, Cloneproof Schwartz Sequential Dropping
- Fails: Median Ratings, CDTT,IRV (and CDTT,MMPO, etc.)