A common flaw in reasoning occurs when an argument relies on a single instance to generalize. This is most similar to which flaw?

Study for the Logical Reasoning STEM Test. Practice with flashcards and multiple-choice questions, each with hints and explanations. Prepare for success!

Relying on a single instance to generalize is a classic case of hasty generalization. It happens when you take one example and treat it as if it proves a universal rule for an entire group. Because that one case may be atypical, the conclusion about everyone or everything in the group isn’t well supported by evidence.

For example, if you meet one rude cashier and then conclude that all cashiers are rude, you’re generalizing from too little data. A broader conclusion requires a larger, representative sample of cases.

The other flaws describe different mistakes: circular reasoning uses the claim as its own evidence, a false dilemma limits choices to two options, and a faulty analogy involves improperly extending similarities between things that aren’t truly alike. Since the situation hinges on generalizing from too few observations, it fits hasty generalization best.