Conjunction Fallacy: Concept & Example


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question 1 of 3

Miller loves building computers in his spare time. He has gotten so good that he can build one in two hours. He has been doing this since he was a child. Which scenario is most likely?:

A. Miller is a full time plumber.

B. Miller is a full time plumber who also has a side computer business.

C. Miller is a full time plumber who has a side computer business fixing computers.

D. Miller is a full time plumber who has a side computer business fixing and building computers.

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1. Which of the following statements matches the following inequality image:

2. Why do people commit the conjunction fallacy?

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About This Quiz & Worksheet

Use this quiz and worksheet to learn about the conjunction fallacy. The lesson will go over the basics of the fallacy, as well as some examples, and the quiz at the end will test your ability to identify the fallacy in specific instances. In addition to these examples, you'll be tested on why people commit the conjunction fallacy and what it entails.

Quiz & Worksheet Goals

In this quiz and worksheet you'll be tested on:

  • Conjunction fallacy inequality
  • Why people commit the conjunction fallacy
  • Examples of the conjunction fallacy
  • Describe the conjunction fallacy

Skills Practiced

The quiz and worksheet combo will test your proficiencies in the following skills:

  • Information recall - access the knowledge you've gained regarding the definition and examples of the conjunction fallacy
  • Knowledge application - apply your knowledge of the conjunction fallacy to specific examples of the fallacy in action, and reason why the fallacy occurs
  • Problem solving - use the knowledge you've gained about the conjunction fallacy to identify examples of the conjunction fallacy

Additional Learning

To learn more about this fallacy, review the corresponding lesson on Conjunction Fallacy: Concept & Example. This lesson covers the following topics:

  • What is the conjunction fallacy?
  • Examples of the fallacy
  • Why it happens
  • Conjunction Fallacy Theorem Inequality
  • The Linda Problem