A person can develop or outgrow

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

TopicsSufficient Assumption

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Stimulus

A person can develop or outgrow asthma at any age. In children under ten, asthma is twice as likely to develop in boys. Boys are less likely than girls to outgrow asthma, yet by adolescence the percentage of boys with asthma is about the same as large number of girls develop asthma in early adolescence.

What this question is testing

Sufficient Assumption

Your task

Find the assumption that, if added, guarantees the conclusion follows.

Common trap

Answers that only partly bridge the gap, leaving the conclusion unproven.

Winning move

Identify the new term in the conclusion and pick the choice that links it to the evidence.

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

The question

Assuming the truth of the passage, one can conclude from it that the number of adolescent boys with asthma is approximately equal to the number of adolescent girls

Answer choices

Trap2% picked this
a tendency toward asthma is often
2%
Trap10% picked this
children who develop asthma before two years of age are unlikely
10%
Correct78% picked this
there are approximately equal numbers of adolescent boys and adolescent girls
Why this is right
Answer C is correct.
Skill tested: Sufficient Assumption · how this choice captures the argument's function is the move to repeat next time.
78%
Trap3% picked this
the development of asthma in childhood is not closely related to
3%
Trap7% picked this
the percentage of adults with asthma is lower than the percentage of
7%

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