StrengthenDiff: Easy

Logic Breakdown

Passage Summary: An audiologist argues that getting older doesn't naturally make you deaf; instead, it's the years of loud noise that do the damage. They point to quiet, remote tribes where elderly people still hear perfectly as proof.

Conclusion: Hearing loss usually attributed to aging is actually the result of long-term exposure to loud noise.

Reasoning: Studies of remote populations with minimal noise exposure show that these individuals experience little to no hearing loss as they age.

Analysis: The argument relies on a correlation to establish a causal claim. To strengthen this, we need to bolster the link between noise and hearing loss while ruling out other variables. Look for an answer that suggests these remote populations are biologically similar to us, ensuring that their lack of hearing loss isn't just due to superior genetics or a specific diet.

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3.

Which one of the following, if true, most strengthens the audiologist's argument?

Correct Answer
B
B directly ties greater exposure to loud noise to greater age-related hearing loss within remote populations, controlling for many other variables. This strongly supports the claim that long-term noise exposure, not aging itself, causes the hearing loss.
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