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A handful of companies offer DNA-based tests that supposedly determine

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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
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My answer is (B). It took me 1:03.

Generally speaking, "good" is an adjective while "well" is adverb. ("well" can also be used as an adjective when it means "healthy, not ill"). Here, a person’s natural athletic abilities should take "good" instead of "well". Eliminate A and D.

Remaining options are B, C, and E.
(B) "these tests do not reveal much more than standard performance tests do." It is very clear.
(C) "these tests do not reveal much beyond a standard performance test". It indicates that "these tests" can reveal "a standard performance test", which is nonsensical.
(E) "standard performance tests do not reveal much less than the other tests". The introduction of "standard performance tests“ is a bit abrupt; "the other tests" is not clear; the main issue is still the possible interpretation that "standard performance tests" can reveal "other tests". The main issue can be fixed by adding "do" to the very end of the sentence.
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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
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Ans: B

Split 1: Well vs Good
Good modifies Noun and well modifies verb, here we are speaking about person's natural abilities , so we should use Good
We can eliminate A and D.

Split 2: Tests vs Tests do
Here we are comparing the tests result between standardized tests and DNA based tests, so the correct comparison should be between what the tests reveal and not the test itself.
We can eliminate C based on this

Lets see the answer choices one by one

A) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test. - Incorrect
Usage of 'well' is not correct

B) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do - Correct
This option correctly uses 'good' and also rectify the comparison issue by adding 'do at the end

C) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much beyond a standard performance test. Incorrect
DNA based tests do not reveal much beyong a standard performance tests means the DNA based test reveals the standard performance tests, this is not the intended meaning here.

D) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do - Incorrect
Incorrect usage of 'well'

E) good a person’s natural athletic abilities are, but critics insist that standard performance tests do not reveal much less than the other tests - Incorrect
This choices rearranges the sentence and introduce new information such as 'other tests' , but the main discussion is about the DNA based tests.
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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
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generis wrote:

Project SC Butler: Sentence Correction (SC1)

A handful of companies offer DNA-based tests that supposedly determine how well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

A) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

B) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.

C) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much beyond a standard performance test.

D) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.

E) good a person’s natural athletic abilities are, but critics insist that standard performance tests do not reveal much less than the other tests.

Option A - Wrong Usage of Well ( x )

Option B - Usage of Good is Correct ( ✓ )

Option C - Meaning Changed ( x )

Option D - Wrong Usage of Well ( x )

Option E - Meaning Change ( x )

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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
In the actual sentence
A handful of companies offer DNA-based tests that supposedly determine how well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

The tests determine the state of athletic abilities i.e. how well a person’s natural athletic abilities are - We need a noun modifier for the abilities . Thus GOOD is correct
Note : If we write how well a person’s natural athletic abilities DO - We need a verb modifier . Thus , WELL would be correct

Eliminate A and D for the above reasons.

Choice A could have been okay if we had no choice that explicitly mention the ellipsis .
These tests do not reveal much more than a standard performance test (do).

However, B rules out the little confusion that DNA tests don't reveal standard tests BUT there is a comparison between the DNA tests and standard tests. Even E holds the problem that A has.

IMO B
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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
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A handful of companies offer DNA-based tests that supposedly determine how well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

This is a fun. Good is adjective, so used as noun modifier and well is adverb, so it is used as verb modifier.

A) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.-> Incorrect usage of "well".

B) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.-> Okay, we have "good" used. It's better. Comparison check- "these tests do...." to "performance tests do". It's okay. Let's keep it.

C) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much beyond a standard performance test.-> Okay, we have "good" used. It is correct. But in Comparison check- "these tests do...." to "performance tests". It doesn't make sense.

D) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.-> Incorrect usage of "well".

E) good a person’s natural athletic abilities are, but critics insist that standard performance tests do not reveal much less than the other tests.-> Okay, we have "good" used. It is correct. But in Comparison check- "performance tests do...." to "other tests". It doesn't make sense.

So, I think, B.
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A handful of companies offer DNA-based tests that supposedly determine [#permalink]
A handful of companies offer DNA-based tests that supposedly determine how well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

Good is used for nouns and well is used for verbs.
Eliminate A and D

Comparison between what tests are and what tests do. So use of tests do is correct.
Eliminate C and E.

A) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.
Eliminate

B) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.

C) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much beyond a standard performance test.
Eliminate

D) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.
Eliminate

E) good a person’s natural athletic abilities are, but critics insist that standard performance tests do not reveal much less than the other tests.
Eliminate

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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
A handful of companies offer DNA-based tests that supposedly determine how well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

Good (adjective) vs well (adverb) - person’s natural athletic abilities are good - preferred
tests vs tests do - insist that these tests do not reveal much more than standard performance tests do. - preferred

A) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than a standard performance test.

B) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.

C) good a person’s natural athletic abilities are, but critics insist that these tests do not reveal much beyond a standard performance test.

D) well a person’s natural athletic abilities are, but critics insist that these tests do not reveal much more than standard performance tests do.

E) good a person’s natural athletic abilities are, but critics insist that standard performance tests do not reveal much less than the other tests.[/quote] - tests do missing/ slight change of meaning even we consider do/ what other tests?

IMO (B)
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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
Confused Between B V C ... thought C was more concise

Waiting for OA...
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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
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The OA is B,

I rejected A and D on the basis that the term "well" is used to describe someone's health and not someone's fitness level.

I rejected E because the construct "standard performance tests do not reveal much less than the other tests" seems awkward, wordy and could change the meaning of the sentence too.

I rejected C because in my opinion, the later part of the sentence "but critics insist that these tests do not reveal much beyond a standard performance test" has two words missing which are "what" and "does". If the sentence would have been "but critics insist that these tests do not reveal much beyond what a standard performance test does." I would have selected C as my answer.
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Re: A handful of companies offer DNA-based tests that supposedly determine [#permalink]
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The official explanation is here.
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