Instant Runoff Voting Analysis

Instant Runoff Voting Analysis

Assessment

Interactive Video

Mathematics, Social Studies, Education

9th - 12th Grade

Practice Problem

Hard

Created by

Jackson Turner

FREE Resource

This lesson explains the monotonicity criterion in voting, which ensures that increasing preference for a candidate should not harm their chances of winning. The video uses an example of instant runoff voting to demonstrate how this criterion can be violated. Initially, candidate A wins, but after some voters change their preference to favor A, candidate C wins instead, illustrating a violation of the monotonicity criterion. The lesson concludes by emphasizing the importance of being aware of such issues when using instant runoff voting.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the lesson on the Monotonicity Criterion?

To explore different voting systems

To define and examine the Monotonicity Criterion

To discuss the history of voting

To analyze the role of technology in elections

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Monotonicity Criterion ensure in a voting system?

That the election is held on a public holiday

That all candidates have equal media coverage

That changing votes to favor a candidate should not harm their chances

That the candidate with the most money wins

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example election, which candidate is eliminated first using Instant Runoff Voting?

Candidate C

Candidate B

Candidate A

All candidates are eliminated simultaneously

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many first-choice votes did Candidate A have after Candidate C was eliminated?

54 votes

128 votes

74 votes

72 votes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What change occurs in the new election scenario?

Candidate A withdraws from the election

A new candidate enters the race

The election is postponed

19 voters change their preference from B to A

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the outcome for Candidate A after the voters change their preferences in the new election?

Candidate A is disqualified

Candidate A ties with Candidate B

Candidate A loses the election

Candidate A wins with a larger majority

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of votes does Candidate C have in the new election scenario?

51%

55%

64%

49%

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