Flawed ReasoningDiff: medium

Logic Breakdown

Passage Summary: A neighborhood got speed bumps to deal with traffic noise, but the author thinks this is wrong because public roads should be open to everyone to drive on whenever they want.

Conclusion: Installing speed bumps in the Grove Park neighborhood is an unfair practice.

Reasoning: Because the streets are public and funded by taxpayers, every driver has the right to use them at their own discretion.

Analysis: The author is being a bit dramatic here, equating the right to use a road with the right to use it without any safety regulations. The flaw lies in the assumption that a public right to access a resource means that any restriction on how that resource is used (like slowing down for a speed bump) is a violation of that right. It's a classic overreach—just because you have the right to be in a public library doesn't mean you have the right to scream at the top of your lungs. Look for an answer that points out the author's failure to consider that rights can be limited by reasonable regulations for the public good.

Passage Stimulus

Passage Redacted

Unlock Full Passage

14.

The reasoning in the argument is most vulnerable to criticism on the grounds that it

Correct Answer
E
E pinpoints the core assumption: the argument presumes, without justification, that speed bumps prevent drivers from using the roads. Without that, the mere existence of a public right to use does not make speed bumps unfair.
Upgrade Your Prep

Ready to go beyond free explanations?

LSAT Perfection is the #1 modern LSAT prep platform, trusted by thousands of students for comprehensive test strategies, advanced drilling, and full analytics on every PrepTest.

Detailed explanations for 59 PrepTests
Advanced drillset builder
Personalized analytics
Built-in Wrong Answer Journal
Explore Perfection Plus for full LSAT prep