Voting

Question 1

Ballots

Answer 1

The input requested from boters:

Rankings are for example a Ballott

Question 2

Profile

Answer 2

For a set of voters, specifies the ballot selected by each voter

Question 3

Condorcet Winner

Answer 3

If the elected winner is the maximum of the majority ordering.

wins all one vs one scenarios

Question 4

Plurality Rule

Answer 4

Each voter selects one candidate and the candidate with the most votes wins

–> not condorcet consistent

Question 5

Borda Count

Answer 5

Ranking Method
Scoring Rule: calculates scores based on weights assigned to ranking

Each voter ranks candidates with points from 0 to n

To calculate borda score (BS) multiple each score with the number of voters who gave that score and add up.

–> not condorcet consistent

Question 6

Plurality Rule

Answer 6

Assigns 1 point to first ranked candidates and 0 to all others (similar to kth rank Voting)

Question 7

Plurality with Runoff

Answer 7

If there is no majority winner –> runoff between top two candidates or more if there are ties

Question 8

Multistage method,

Answer 8

successively removing candidates if there is no majority for one.

Question 9

Approval Voting

Answer 9

Each voter selects a subset of approved candidates
Winner is candidate with most approvals

–> can elect Condorcet winner or loser

Question 10

Copelands Rule

Answer 10

Condorcet Method.
Each voter submits a ranking
Ordering by pairwise victories minus pairwise losses

Question 11

Dodgson’s Method

Answer 11

> Condorcet Method
Ranking
Candidate requiring the fewest swaps to be condorcet winner wins