Logic Breakdown

Passage Summary: Even though some research suggests cow's milk formula might be linked to diabetes, parents should still use it because it contains important nutrients.

Conclusion: Parents should feed cow's milk formula to their infants despite potential health risks.

Reasoning: Cow's milk formula is a high-quality source of several nutrients that are vital for the development of an infant.

Analysis: The reasoning here is flawed because it fails to weigh the competing factors it introduces. Melchior acknowledges a serious potential risk (diabetes) but then dismisses it entirely by pointing to a benefit (nutrients) without explaining why the benefit is more important than the risk. Look for an answer that highlights this failure to address the relative importance of the pros versus the cons. The argument essentially says 'the house is on fire, but we should stay inside because the wallpaper is quite lovely.'

Passage Stimulus

Passage Redacted

Unlock Full Passage

6.

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

Correct Answer
A
A pinpoints the flaw: it defends feeding cow’s-milk formula based on its nutrient benefit without considering whether alternative practices supply the same benefit. That omission is critical given the acknowledged potential risk.
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