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Researchers have found that if toddlers engaged

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Researchers have found that if toddlers engaged

by gmatdriller » Mon Sep 13, 2010 12:36 pm
Researchers have found that if toddlers engaged in social sports or
learning groups, they will develop social skills and learn conversational
conventions more quickly than do those who do not attend such events.

A....
B: engaged in social sports or learning groups, they develop social skills and learn
conversational conventions quicker than

C: engage in social sports or learning groups, they will develop social skills and
learn conversational conventions quicker than do

D: engage in social sports or learning groups, they have developed social skills
and learn conversational conventions more quickly than do

E: engage in social sports or learning groups, they develop social skills and learn
conversational conventions more quickly than


Of the two sentences below, which is appropriate in the context of the question
above?

(i) "If toddlers engaged in sports, they will develop skills more quickly than do
those who do not"

(ii) "If toddlers engaged in sports, they will develop skills more quickly than
those who do not"
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by uwhusky » Mon Sep 13, 2010 12:58 pm
I thought the correct answer would have to be E. To answer your question, I don't think the helping verb "do" is necessary when the comparison isn't ambiguous. Here in this question, the toddlers who attend certain events are "developing" skills is compared to other toddlers who do not attend these events; there's no confusion in which the toddlers could develop other "toddlers".

As for the reason why I choose E:

1. The non-underlined portion "those who do not attend such events." is in present tense, hence the main verb of the comparison should parallel and both be in present tense.
2. Quicker is not the proper adverb, more quickly is.
3. "have developed" present perfect is the wrong tense, and the second verb "learn" should be in past participle as part of parallelism "have developed" and "have learned".
4. "engaged" should be followed by "would", not "will".

However, I did noticed that E is missing a modal verb.
Yep.
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by clock60 » Mon Sep 13, 2010 1:06 pm
also pick up E, and it totaly agree with above said
but small note
Quicker is really not an adverb at all, it is comparative adjective, with superlative form-quickest
so quicker can not be used to modify verb learn
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by e-GMAT » Mon Sep 13, 2010 4:09 pm
This question appears to be very similar to the question discussed in the thread below.

https://www.beatthegmat.com/botanists-ha ... 66153.html

I suggest you go through the discussion in the above link and apply the fundamentals of if..then constructions in the sentence in this thread. Let me know if you have any questions. :)

Also, I am curious about the source of these two questions (1 in this post and the other in the thread indicated above) :)

Regards,

Payal
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by gmatdriller » Wed Nov 10, 2010 1:23 am
Thanks guys for your contributions to my question above.
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by BastiG » Thu Dec 09, 2010 2:58 pm
e-GMAT wrote:This question appears to be very similar to the question discussed in the thread below.

https://www.beatthegmat.com/botanists-ha ... 66153.html

I suggest you go through the discussion in the above link and apply the fundamentals of if..then constructions in the sentence in this thread. Let me know if you have any questions. :)

Also, I am curious about the source of these two questions (1 in this post and the other in the thread indicated above) :)

Regards,

Payal
Great explanation in the other thread.
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