Logical ReasoningDifficulty: Easy

PT148 S4 Q6 Explanation

Engineer: Wide roads free of obstructions

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsPrinciple-Conform

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Stimulus

Engineer: Wide roads free of obstructions have been shown to encourage drivers to take more risks. Likewise, a technical fix to slow or reverse global warming by blocking out a portion of the sun's rays would might cause more global warming in the future.

What this question is testing

Principle-Conform

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
6.

The engineer's argument can most reasonably be interpreted as invoking which one of

Answer choices

  1. Correct85% picked this

    Conditions that create a feeling of security also encourage

    Why this is right

    Yes, this is true in both halves of the analogy. Making a road wider and clearing it of obstructions makes drivers feel more security that they're not going to run into other cars or obstacles. Does that encourage risk taking? Yes, wide and unobstructed roads "have been shown to encourage drivers to take more risks". Blocking out part of the sun to reduce the threat of global warming makes polluters feel more secure that their CO2 emissions will not imperil the future habitability of Earth for humans. Does that encourage risk taking? Yes, it "encourages more carbon dioxide emissions (which risks causing more global warming in the future)". Interestingly, this answer definitely requires a common sense notion that "less global warming = more feeling of security".

    Skill tested: Principle-Conform · how this choice captures the argument's function is the move to repeat next time.

  2. Too Strong1% picked this

    Problems created by humans require human-created

    Too Strong: require Weak Match: created by humans Is this answer true for both halves of the analogy? When we make a road wider and clear it of obstructions, can we say that we're solving a problem created by humans? Hmm. Maybe. The thing motivating us to widen a road would be that there are too many cars for the existing width to feel safe. Is the author stressing that such a thing requires human-created solutions? No, there's nothing like that. First of all, what other solutions are we talking about? Beavers are going to clear the logjam of our congested highway? Robots are going to innovate and implement a road re-design project? Practically all solutions are human-created solutions, unless we're talking about the time scale of evolutionary "solutions" (i.e. adaptations). The paragraph also doesn't say that global warming is a problem created by humans, nor does it stress that humans will be needed to solve global warming.

  3. Too Strong6% picked this

    Technical fixes are inevitably

    Too Strong: inevitably Weak Match: technical fixes Is this answer true for both halves of the analogy? When we make a road wider and clear it of obstructions, can we say that doing a technical fix? Hmm. Maybe. But we're more renovating / re-designing something than fixing it. It's also not clear that clearing obstructions is a technical fix. Taking a stray mattress off the side of the road? Removing fallen tree branches? Those are technical fixes? Is the author stressing that the wideness and unobstructed-ness is inevitably temporary? Soon, it will be narrower and obstructed again? No, that's awkward to match up. Furthermore, using our Necessary Assumption brain should be trying to be conservative with language, so inevitably should scare us a little, unless we see something in the passage to match that drama.

  4. Too Strong7% picked this

    Technical fixes cannot discourage risk-taking

    Too Strong: cannot Weak Match: technical fixes Is this answer true for both halves of the analogy? As we discussed for (C), it feels a bit stretchy to say that the 1st half was dealing with a technical fix. Is the author stressing that the wideness and unobstructed-ness cannot discourage risk-taking behavior? That's a bit of a leap. but if the author is saying that it encourages drivers to take more risks, then I guess it doesn't discourage drivers from taking more risks. But, using our Necessary Assumption brain, which is scared by strong language ... can we feel good saying that this author thinks that zero technical fixes ever have discouraged risk-taking behavior? That seems far too strong.

  5. Out of Scope: unresolved / worse1% picked this

    The longer a problem goes unresolved, the worse

    Is this answer true for both halves of the analogy? When we make a road wider and clear it of obstructions, can we say that a problem is going unresolved for longer? No, that would seemingly be the opposite. We're attempting to resolve a problem, by making roads wider and less obstructed. However, we're allowed to invert Volume Dial statements. This answer also means, "the sooner a problem gets resolved, the less worse it becomes". Is the author stressing that "the sooner we widen the roads and clear the obstructions, the less of a problem we'll have with roadway accidents"? No, she's stressing something that moves in the opposite direction. We'll attempt to resolve the problem, but it will prompt a behavior that actually adds back something onto the problem.

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