Logical ReasoningDifficulty: Medium

PT14 S4 Q8 Explanation

The years 1917, 1937, 1956, 1968, 1979, and 1990

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

TopicsParallel

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Stimulus

The years 1917, 1937, 1956, 1968, 1979, and 1990 are all notable for the occurrence of both popular uprisings and near-maximum sunspot activity. During heavy sunspot activity, there is a sharp rise in positively charged ions in the air people breathe, and positively charged ions are known to make people activity has actually been a factor in triggering popular uprisings.

What this question is testing

Parallel

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
8.

Which one of the following exhibits a pattern of reasoning most similar to that

Answer choices

  1. Trap6% picked this

    The ancient Greeks sometimes attempted to predict the outcome of future events by watching the flight patterns of birds. Since the events themselves often

  2. Trap4% picked this

    Martha, Sidney, and Hilary are the city’s three most powerful politicians, and all three graduated from Ridgeview High School. Although Ridgeview never had a

  3. Trap14% picked this

    Unusually cold weather last December coincided with a rise in fuel prices. When it is cold, people use more fuel to keep warm; and

  4. Trap2% picked this

    The thirty healthiest people in a long-term medical study turned out to be the same thirty whose regular diets included the most vegetables. Since

  5. Correct74% picked this

    Acme’s most productive managers are consistently those who occupy the corner offices, which have more windows than other offices at Acme. Since people are

    Why this is right

    Answer E is correct.

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

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