Advertisement: Our oat bran cereal is the only one that has printed right on its package all of its claimed health benefits. And really health-conscious consumers have demonstrated that these health claims are true by buying our cereal since they would not have bought our cereal unless the claims were true. How do we know these consumers are really health-conscious? No really health-conscious consumer would buy food in a package that did not have accurate information about the food’s health benefits printed on it.
Which one of the following employs a flawed argumentative strategy that is most closely parallel to the flawed argumentative strategy in the advertisement above?The vital thing to understand here is the scope of the argument.
Let's say Arnold buys this cereal. According to the argument,
1) Arnold is a health-conscious consumer and he has demonstrated that the cereal's claims are true. How? By buying the cereal.
2) Now that we have established that Arnold, the health conscious man purchases this cereal because he believes in it, how do we establish that Arnold is actually health conscious?
3) We know that because Arnold buys the cereal box, a box that has accurate information about the health benefits, and all health conscious people make sure that they buy packaged foods with accurate information
The whole argument just revolves around health conscious Arnold, and the accuracy of the health benefits mentioned on the package he buys.
Arnold's health conscious behavior is used to justify the accuracy of the benefits, and then the accuracy of the benefits is then used to justify that Arnold is a health conscious individual(A) Greeting one’s coworkers must be a polite thing to do, because people who are considered polite always greet their coworkers. The proof that these people really are polite is that they are consistently polite in their
daily lives.
What happens in daily lives is out of scope
(B) This card game must be intellectually challenging, because it is played by highly intelligent people, who play only intellectually challenging card games. In fact, these players’ intelligence is demonstrated by the fact that they play this game.Arnold is an intelligent individual, and by playing this game, he has proven that the game is intellectually challenging
Arnold is intelligent because he plays this game
Correct answer!
(C) When coffee is being chosen, Brand Z is the coffee chosen by people with highly developed taste in coffee. These people showed their highly developed taste in coffee by correctly
distinguishing eight brands of coffee from each other in a taste test.
Comparison with other brands = out of scope
(D) That jacket must have been made for a very short person, because only very short people were able to fit into it. We know that they were very short because
we saw them before they tried on the jacket.
We "saw" people = does not match the structure of the argument
(E) This
painting is a poor imitation, because only people with poor eyesight mistook it for the original. That these people have poor eyesight is demonstrated by the fact that they also mistook
a vase of flowers in the painting for a peacock.
2 objects are compared here - a painting, and a vase. The original argument is just concerned with 1 object (the cereal box)