A car’s antitheft alarm that sounds

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

TopicsSufficient Assumption

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Stimulus

A car’s antitheft alarm that sounds in the middle of the night in a crowded city neighborhood may stop an attempted car theft. On the other hand, the alarm might signal only a fault in the device, or a response to some harmless contact, such as a tree branch brushing the car. their cars should deactivate them when they park in crowded city neighborhoods at night.

What this question is testing

Sufficient Assumption

Your task

Find the assumption that, if added, guarantees the conclusion follows.

Common trap

Answers that only partly bridge the gap, leaving the conclusion unproven.

Winning move

Identify the new term in the conclusion and pick the choice that links it to the evidence.

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

The question

23.

Which one of the following, if assumed by the author of the passage, would allow her properly to draw her conclusion that the owners of alarm-equipped cars should

Answer choices

Trap1% picked this
The inconvenience of false alarms is a small price to pay for the security
1%
Trap15% picked this
In most cases when a car alarm sounds at night, it is
15%
Correct79% picked this
Allowing the residents of a crowded city neighborhood to sleep undisturbed is more important than
Why this is right
Answer C is correct.
Skill tested: Sufficient Assumption · how this choice captures the argument's function is the move to repeat next time.
79%
Trap1% picked this
People who equip their cars with antitheft alarms are generally inconsiderate
1%
Trap4% picked this
The sounding of car antitheft alarms during the daytime does not disturb the residents of
4%

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