Which term completes the sentence: A ________ makes productive conversation impossible?

• A. Fallacious argument
• B. Ad hominem
• C. Bandwagon
• D. Begging the question

Answer: (A)

When a discussion hinges on reasoning that isn’t sound, productive conversation grinds to a halt. A fallacious argument uses flawed reasoning, so the conclusion isn’t properly supported. That makes real progress hard because participants can’t rely on the claim as a solid basis for debate; they’re left chasing errors rather than examining the idea itself. In short, faulty reasoning disrupts the dialogue enough to block meaningful exchange.

An ad hominem attacks the person instead of the argument, which derails discussion but is still a specific kind of faulty reasoning. Bandwagon is about appealing to popular opinion, which can drive consensus without solid argument. Begging the question is a particular type of fallacy that assumes the conclusion within the premise. All of these are related to faulty reasoning, but the broad, most encompassing idea that fits the statement is a fallacious argument.