Condorcet Criterion - Compliance of Methods - Non-complying Methods - Majority Judgment

Majority Judgment

Majority Judgment is a system in which the voter gives all candidates a rating out of a predetermined set (e.g. {"excellent", "good", "fair", "poor"}). The winner of the election would be the candidate with the best median rating.

Consider an election with three candidates A, B, C.

35 voters give candidate A the rating "excellent", B "fair" and C "poor",

34 voters rate C as "excellent", B "fair" and A "poor" and

31 voters choose "excellent" for B, "good" for C and "fair" for A.

B is preferred to A by 65 votes to 35, and B is preferred to C by 66 to 34. Hence, B is the Condorcet winner. But B only gets the median rating "fair", while C has the median rating "good" and hereby C is chosen winner by Majority Judgment.

Read more about this topic:  Condorcet Criterion, Compliance of Methods, Non-complying Methods

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