Every time a consumer makes an impulse buying decision

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Every time a consumer makes an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding  the integration of all the behavioral sciences: economics, psychology, anthropology, sociology, and political science.

A) Every time a consumer makes an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding

B) Every time a consumer is making an impulse buying decision, she is demonstrating the link between neuroscience and economics—a link that behavioral economists now call crucial to understanding

C) Every time a consumer is making an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding

D) Every time a consumer made an impulse buying decision, she had demonstrated the link between neuroscience and economics—a link that behavioral economists now call crucial to understanding

E) Every time a consumer has made an impulse buying decision, she demonstrated the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding

generis · Answer

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PyjamaScientist · Answer

By the meaning of the sentence as it is written. The author wants to present a fact/an occurrence that is true in nature. So, we need to use "Simple present" tense here. Just on that basis alone you can zero down on (A) as the correct choice.

"a link that behavioral...." is a noun+noun modifier modifying the link in the previous clause.

"a link that behavioral...." is a noun+noun modifier modifying the link in the previous clause.

kungfury42 · Answer

Concur with your answer, these were exactly my thoughts.

Posted from my mobile device

zhanbo · Answer

My answer is  (A) . It took me 02:08.

(A) I did not find anything unseemly. The meaning is clear. Definitely keep for now. 
I did notice that "she" is used as the subject of the main clause. 
I have yet seen any official GMAT questions that use ‘She’ as a generic pronoun. This practice has been gaining traction, though there are certainly detractors. 
Another trend that GMAT has not caught up with is the "singular they".

(B) After reading (B), I know this question is testing the use of verb tenses. 
While the author might have some justification for  her  use of "is making....is demonstrating", her decision to use simple present ("call"), especially in the presence of "now", is problematic.

But I am not 100% sure. In this situation, I typically reverse the order of inspection and jump to (E).

(E) "has made" and "demonstrated" are not compatible. Definitely eliminated. 
(D) "made" and "had demonstrated" are not compatible. Definitely eliminated. 
(C) "is making" and "demonstrates" are not compatible. Definitely eliminated.

Now, back to (A) and (B). 
Since "every time" refers to a general observation, simple present is preferred. 
Again, even though the author can defend her use of "is making...is demonstrating", she cannot really justify the switch to simple present in "now call". 
(A) is a much better choice than (B).

daysleisure · Answer

I selected A.

The thought process is as follows: since the action of the consumer making an impulse decision, happen simultaneously as he/she demonstrating the link, the tenses should be the same between the subordinate clause and the main clause. Thus eliminating C/D/E.

For B, the "now" signals to me that progressive tense should be used. Not sure tho.

Every time a consumer makes an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding the integration of all the behavioral sciences: economics, psychology, anthropology, sociology, and political science.

A) Every time a consumer makes an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding

B) Every time a consumer is making an impulse buying decision, she is demonstrating the link between neuroscience and economics—a link that behavioral economists now call crucial to understanding

C) Every time a consumer is making an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding

D) Every time a consumer made an impulse buying decision, she had demonstrated the link between neuroscience and economics—a link that behavioral economists now call crucial to understanding

E) Every time a consumer has made an impulse buying decision, she demonstrated the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding

debjit1990 · Answer

Ans:A
A) Every time a consumer makes an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding--correct

B) Every time a consumer is making an impulse buying decision, she is demonstrating the link between neuroscience and economics—a link that behavioral economists now call crucial to understanding--simple present is more preferable.

C) Every time a consumer is making an impulse buying decision, she demonstrates the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding--is making...demonstrates not parallel

D) Every time a consumer made an impulse buying decision, she had demonstrated the link between neuroscience and economics—a link that behavioral economists now call crucial to understanding--past perfect is not required

E) Every time a consumer has made an impulse buying decision, she demonstrated the link between neuroscience and economics—a link that behavioral economists are now calling crucial to understanding--present perfect--past not parallel

PriyamRathor · Answer

Hi Zhanbo. As always very nicely explained!!
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Every time a consumer makes an impulse buying decision

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Every time a consumer makes an impulse buying decision

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