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PrepTest 73, Logical Reasoning 2, Question 10

The content provides an in-depth analysis of how to approach and solve a flaw question on the GRE, using a vacuum cleaner sales pitch as an example to illustrate the critical thinking required to identify logical fallacies in arguments.
  • Flaw questions require identifying why an argument is vulnerable based on its structure and presented evidence.
  • The example used involves comparing two vacuum cleaners to demonstrate a common logical fallacy: comparing outcomes under different conditions.
  • The correct approach involves breaking down the argument into its component parts: the conclusion, the evidence, and identifying the flaw in comparison.
  • The analysis of answer choices highlights the importance of closely aligning the critique with the specific flaw in the argument's logic.
  • The correct answer choice points out the flaw by noting the unequal comparison conditions, emphasizing the need for an 'apples to apples' comparison.
Understanding Flaw Questions
Analyzing the Argument
Identifying the Logical Fallacy
Evaluating Answer Choices