Errors in Reasoning Questions - - Question 18

Smith: Meat in the diet is healthy, despite what some people say. After all, most doctors do eat meat, and who knows ...

NS1 August 9, 2020

Answer Choice B

Why isn't answer choice B correct on this one? Thanks!

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shunhe August 10, 2020

Hi @NS1,

Thanks for the question! Let’s break down the stimulus first. We’re told by Smith that meat in the diet is healthy—this is going to be Smith’s conclusion. Why does Smith think this? Because most doctors eat meat, and “who knows more about health than doctors do?” In other words, doctors know a lot about health, and most of them eat meat, so meat in the diet is healthy.

Now we’re asked to find a flaw in the reasoning. And we should notice right after reading the stimulus that this is a pretty weak argument. After all, there are doctors who smoke, who eat candy, etc.

(B) tells us that the flaw in the argument is that it generalize son the basis of a sample consisting of atypical cases. But what were the atypical cases you’re thinking of here? Doctors eating meat? We’re not given any evidence that this is an atypical case, so we can’t just assume that. Because we aren’t told anything about what’s typical vs. atypical here, (B) isn’t supported and is incorrect.

Hope this helps! Feel free to ask any other questions that you might have.