Flawed ReasoningDiff: Hard
Logic Breakdown
Passage Summary: An ad claims that because people who just joined their insurance company saved money, everyone else who hasn't joined yet would also save money too.
Conclusion: The majority of drivers currently insured by other firms would save money by switching to Popelka.
Reasoning: A survey of people who recently switched to Popelka showed they saved an average of $250 per year.
Analysis: This argument suffers from a classic 'self-selection bias' or unrepresentative sample error. The people who switched to Popelka likely did so because they found a better rate; people who would pay more to switch simply wouldn't do it. You should look for an answer choice that points out that the group surveyed isn't necessarily representative of the general population of drivers. It's like saying everyone loves a specific restaurant based only on a survey of people currently eating there.
Conclusion: The majority of drivers currently insured by other firms would save money by switching to Popelka.
Reasoning: A survey of people who recently switched to Popelka showed they saved an average of $250 per year.
Analysis: This argument suffers from a classic 'self-selection bias' or unrepresentative sample error. The people who switched to Popelka likely did so because they found a better rate; people who would pay more to switch simply wouldn't do it. You should look for an answer choice that points out that the group surveyed isn't necessarily representative of the general population of drivers. It's like saying everyone loves a specific restaurant based only on a survey of people currently eating there.
Passage Stimulus
Passage Redacted
Unlock Full Passage20.The argument in the advertisement is most vulnerable to criticism on which one of the following grounds?
Correct Answer
E
The argument generalizes from people who switched (new policyholders) to most people insured elsewhere, ignoring that those who could save a lot are more likely to have switched. That potential overrepresentation of high savers in the sample is a classic selection-bias flaw.
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