Which description best identifies the core flaw in arguments that generalize from a single case?

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The main idea here is a common reasoning mistake where you take one or a few examples and claim they represent everyone. When you generalize from a single case, you base a broad conclusion on too small a sample, which isn’t enough to show the pattern holds in all cases. For instance, meeting one person from a city who is unfriendly and then saying “Everyone from that city is unfriendly” illustrates this flaw—the evidence is far too limited to justify such a broad claim.

This flaw is known as a hasty generalization. It relies on insufficient data to support a sweeping conclusion. By contrast, a red herring distracts with an irrelevant issue, a non sequitur has a conclusion that doesn’t logically follow from the premises, and an appeal to ignorance argues that something is true because it hasn’t been proven false.