Arrow's Impossibility Theorem & Its Use in Voting


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'If voters prefer Option 1 to Option 2, then the outcome should show Option 1 ranked higher than Option 2', this is the definition of which property of fairness discussed in the lesson?

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1. The fact that no individual voter should have sway over every possible outcome of a vote reflects which fairness property discussed in the lesson?

2. 'If Option 1 is ranked higher than Option 2, then removing Option 3 should not alter the relative rankings of Options 1 and 2', this is the definition of which property of fairness?

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About This Quiz & Worksheet

This quiz and worksheet will assess what you know about arrow's impossibility theorem in voting. Specific study points which you will need to know include properties of fairness.

Quiz & Worksheet Goals

Use these assessment tools to:

  • Identify the option of which no solitary voter should possess sway over all potential outcomes
  • Recognize the property of which a third option, once removed, should not affect previous rankings
  • Be able to dictate arrow's impossibility theorem
  • Choose two methods that do not belong from a list of voting methods

Skills Practiced

Here are a few of the skills that you can practice with these assessments:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on arrow's impossibility theorem in voting
  • Information recall - access the knowledge you've gained regarding how a single voter should not hold dominion over every possible outcome
  • Interpreting Information - verify that you can read information regarding what voters prefer and interpret it correctly

Additional Learning

Should you want to know more about the arrow's impossibility theorem in voting, the lesson entitled Arrow's Impossibility Theorem & Its Use in Voting is here for your benefit. The lesson covers the following:

  • Define Preferential Voting
  • Recognize Independence of Irrelevant Alternatives
  • Understand why these voting methods and rules are imperative with regard to fairness