Inference Skills Flashcards
7 cards from real LNAT practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Inference Skills flashcards as text
A study finds that cities with more public parks have lower rates of depression. A researcher concludes that building parks reduces depression. Which inference is most justified?
Answer: There is an association between parks and lower depression, but causation is unproven
Correlation between parks and lower depression does not establish that parks are the cause of lower depression.
All contracts signed under duress are voidable. Leon signed a contract while being threatened. What can be inferred?
Answer: Leon's contract may be voidable at his option
A voidable contract can be affirmed or voided at the innocent party's choice, not automatically invalidated.
Passage: 'Every law student at Greenfield passed the bar exam. Maya is a law student at Greenfield.' What follows necessarily?
Answer: Maya passed the bar exam
If every Greenfield law student passed and Maya is one, it follows necessarily that Maya passed.
A politician argues: 'We must raise taxes or cut services. We cannot cut services. Therefore, we must raise taxes.' This reasoning is:
Answer: Valid as a disjunctive syllogism
This is a valid disjunctive syllogism: given A or B, and not B, therefore A.
A newspaper reports that crime fell 20% in a city after hiring more police. A skeptic says the drop could be due to demographic changes. The skeptic is:
Answer: Raising a legitimate alternative explanation that undermines the causal claim
Identifying an alternative explanation is a valid way to challenge a causal inference drawn from correlational data.
If it is raining, the ground is wet. The ground is wet. What can be inferred?
Answer: It may or may not be raining
Wet ground is consistent with rain but could have other causes; affirming the consequent does not confirm the antecedent.
A company's profits rose every year a particular CEO served. A board member concludes the CEO caused the profits. Which additional information would most strengthen this inference?
Answer: Rival companies' profits fell during the same period
If rivals declined while this company grew, it suggests the CEO's leadership, not market-wide trends, drove the profits.