It's a form of limited voting, with both approval and disapproval votes. In a unit, maybe there are 20-40 "candidates" and you are given four votes, two up and

It's a form of limited voting, with both approval and disapproval votes. In a unit, maybe there are 20-40 "candidates" and you are given four votes, two up and two down. This will probably identify a couple people receiving more than one vote. Limited voting has had interesting results in things like city council elections.