A free, expert breakdown of this official LSAT Logical Reasoning question.
Save & drill this skill — build targeted practice sets from questions like this one
Video walkthroughs — watch every question solved step by step
81 official LSATs — as questions, timed sections & full-length tests
Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.
Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.
Predict what a right answer must do, then test each choice against the conclusion-evidence gap.
The statement that burglar alarm systems, unlike car alarm systems, are effective in deterring burglaries plays which one of the following roles in the argument?
It justifies placing more restrictions
14% picked this
It provides background information needed
7% picked this
It provides a basis for
Why this is right
Answer C is correct.
Skill tested: Role · how this choice captures the argument's function is the move to repeat next time.
71% picked this
It gives a reason why
8% picked this
It explains why a disproportionate
1% picked this
Continue the review in LSAT Lab
Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.
Turn this review into a targeted study plan.
Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.