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Psychologists and marketers alike are aware that product labels can trigger brand loyalty and influence customers’ perceptions of quality. A recent experiment, however, goes beyond loyalty and suggests that expectation can alter the experience of taste itself.
In the experiment, 300 men and women tasted two versions of a beverage each - one a regular cola and the other the same cola with a few drops of white vinegar added. A prior survey had found that most cola drinkers thought vinegar would worsen the taste. Participants were told only that one of the beverages, called “cola extra,” contained an unspecified secret ingredient.
Researchers found that in a blind taste test of 100 people, 60 percent actually preferred the vinegar-enriched “cola extra.” A second group of 100 learned after they had tasted both beverages that vinegar was the secret ingredient; this group preferred “cola extra” by the same percentage. A final group was told before tasting that one of the colas contained vinegar - here, only about one-third of respondents favored “cola extra.”
These results echo earlier work in sensory neuroscience: functional-MRI studies show that when wine drinkers are told a bottle is expensive, activation in reward-related gustatory regions rises even though the wine is identical. Marketing researchers likewise observe that labeling chocolates or coffees as “premium” consistently heightens reported flavor intensity. Taken together, such findings suggest that expectation can penetrate beyond conscious belief and modulate the neural coding of taste.
Because the cola experiment sampled mostly habitual cola drinkers aged 18-35, future research should test other age groups and less familiar beverages to see whether the effect generalizes.
It can be inferred from the passage that which of the following, if true, would be most damaging to the conclusion that expectation influences taste?
A. A majority in all three test groups preferred standard cola to "cola extra," regardless of whether they were told it contained a secret ingredient.
B. The experiment was conducted again with vanilla as the secret ingredient and produced similar results.
C. Taste testers were told that a "bitter ingredient," rather than a "secret ingredient," had been added to the colas.
D. A previous survey had established that consumers thought vinegar would worsen the taste of cola.
E. Both colas were given to taste testers in glasses that looked exactly alike.
In the experiment, 300 men and women tasted two versions of a beverage each - one a regular cola and the other the same cola with a few drops of white vinegar added. A prior survey had found that most cola drinkers thought vinegar would worsen the taste. Participants were told only that one of the beverages, called “cola extra,” contained an unspecified secret ingredient.
Researchers found that in a blind taste test of 100 people, 60 percent actually preferred the vinegar-enriched “cola extra.” A second group of 100 learned after they had tasted both beverages that vinegar was the secret ingredient; this group preferred “cola extra” by the same percentage. A final group was told before tasting that one of the colas contained vinegar - here, only about one-third of respondents favored “cola extra.”
These results echo earlier work in sensory neuroscience: functional-MRI studies show that when wine drinkers are told a bottle is expensive, activation in reward-related gustatory regions rises even though the wine is identical. Marketing researchers likewise observe that labeling chocolates or coffees as “premium” consistently heightens reported flavor intensity. Taken together, such findings suggest that expectation can penetrate beyond conscious belief and modulate the neural coding of taste.
Because the cola experiment sampled mostly habitual cola drinkers aged 18-35, future research should test other age groups and less familiar beverages to see whether the effect generalizes.
It can be inferred from the passage that which of the following, if true, would be most damaging to the conclusion that expectation influences taste?
A. A majority in all three test groups preferred standard cola to "cola extra," regardless of whether they were told it contained a secret ingredient.
B. The experiment was conducted again with vanilla as the secret ingredient and produced similar results.
C. Taste testers were told that a "bitter ingredient," rather than a "secret ingredient," had been added to the colas.
D. A previous survey had established that consumers thought vinegar would worsen the taste of cola.
E. Both colas were given to taste testers in glasses that looked exactly alike.
03 Apr 2026, 21:53
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Explanation:
A. Correct Answer. If the majority preferred Cola to Cola Extra, that would damage the conclusion because it suggests that the preference for "cola extra" was not actually due to the participants’ expectations about the secret ingredient. If the majority consistently preferred the regular cola, then the claim that expectation influences taste is undermined. This choice directly contradicts the idea that knowledge of the ingredient influenced the results.
B. Incorrect. This supports the conclusion rather than damaging it. If similar results were obtained with a different ingredient, it would further confirm that expectations about a secret ingredient (not the specific ingredient itself) influence taste.
C. Incorrect. While this might affect how participants perceive the drink, it doesn’t directly refute the idea that expectations (whether about a secret or bitter ingredient) influence taste. This does not weaken the argument since there was still a difference of preference among the groups.
D. Incorrect. This option reinforces the original expectation that vinegar would worse the taste and if people knew it was added, they would not choose the drink. This statement would strengthen the conclusion.
E. Incorrect. This is a neutral statement and does not affect the conclusion about expectations altering taste. Whether or not the glasses looked alike does not change the participants’ knowledge of the secret ingredient or their expectations.
A. Correct Answer. If the majority preferred Cola to Cola Extra, that would damage the conclusion because it suggests that the preference for "cola extra" was not actually due to the participants’ expectations about the secret ingredient. If the majority consistently preferred the regular cola, then the claim that expectation influences taste is undermined. This choice directly contradicts the idea that knowledge of the ingredient influenced the results.
B. Incorrect. This supports the conclusion rather than damaging it. If similar results were obtained with a different ingredient, it would further confirm that expectations about a secret ingredient (not the specific ingredient itself) influence taste.
C. Incorrect. While this might affect how participants perceive the drink, it doesn’t directly refute the idea that expectations (whether about a secret or bitter ingredient) influence taste. This does not weaken the argument since there was still a difference of preference among the groups.
D. Incorrect. This option reinforces the original expectation that vinegar would worse the taste and if people knew it was added, they would not choose the drink. This statement would strengthen the conclusion.
E. Incorrect. This is a neutral statement and does not affect the conclusion about expectations altering taste. Whether or not the glasses looked alike does not change the participants’ knowledge of the secret ingredient or their expectations.
18 Jun 2026, 09:27
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Hey!
I have a question about A: I have read in some guides, that for Weaken type of questions those variants which are confronting with information from the passage are usually not correct, that proper variant should add information information which is not controversial.
What do you think of this? Or maybe I am missing something.
Thank you!
I have a question about A: I have read in some guides, that for Weaken type of questions those variants which are confronting with information from the passage are usually not correct, that proper variant should add information information which is not controversial.
What do you think of this? Or maybe I am missing something.
Thank you!
bb
