Logical ReasoningDifficulty: Hard

PT135 S2 Q25 Explanation

Some people mistakenly believe

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

TopicsPrinciple-Conform

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Stimulus

Some people mistakenly believe that since we do not have direct access to the distant past we cannot learn much about it. Contemporary historians and archaeologists find current geography, geology, and climate to be rich in clues about a given region's distant history. However, the the less useful the study of the present becomes.

What this question is testing

Principle-Conform

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

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

The question
25.

Of the following, which one most closely conforms to the principle that

Answer choices

  1. Correct58% picked this

    Astronomers often draw inferences about the earlier years of our solar system on the basis of recently collected data. Unfortunately, they have been able

    Why this is right

    The astronomers are looking at the past by looking at recently collected data and the further in the past they look the less useful is their recently collected data.

    Skill tested: Principle-Conform · how this choice captures the argument's function is the move to repeat next time.

  2. Wrong Relationship9% picked this

    Much can be learned about the perpetrator of a crime by applying scientific methods of investigation to the crime scene. But the more the

    While this answer does have a relative comparison in the second part, this relationship doesn’t show a change based on how far back in time the investigators look, but rather a change based on how long the investigators have been looking.

  3. Wrong Relationship28% picked this

    To understand a literary text one needs to understand the author's world view. However, the farther that world view gets from one's own the

    While this answer does have a relative comparison in the second part, the first relationship is a requirement of understanding a literary text. It should have contained a relationship about learning about the past from the present.

  4. Wrong Relationship3% picked this

    We often extrapolate from ordinary sensory experience to things beyond such experience and form a rash judgment, such as the claim that the earth

    This passage does not contain a diminishing relative relationship (e.g., the more of X the less of Y).

  5. Wrong Relationship2% picked this

    One crucial clue to the extent of the ancient Egyptians' mathematical knowledge came from studying the pyramids. The more we studied such structures, the

    This passage does not contain a diminishing relative relationship (e.g., the more of X the less of Y).

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