Approval Voting also has a simple multiwinner proportional aggregation procedure: * Each ballot is given an initial "weight" of 1. * The votes on the ballots

Approval Voting also has a simple multiwinner proportional aggregation procedure: * Each ballot is given an initial "weight" of 1. * The votes on the ballots are summed for each candidate, thus obtaining that candidate's total score. * The candidate with the highest total score (who has not already won) is declared a winner. (Note that the first winner is the same as the winner of an ordinary single-winner Approval Voting election using the same ballots.) * When a voter "gets her way" in the sense that a candidate she approved of wins, her ballot weight should be reduced so that she has less influence on later choices of winners. To accomplish that, each ballot is given a new weight = 1/(1+SUM), where SUM is the sum of the scores that that ballot gives to the winners-so-far. * Repeat until the desired number of winners has been chosen. (paraphrased from http://rangevoting.org/RRV.html http://rangevoting.org/RRV.html )