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# Behavioral studies of young chimpanzees and young humans

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Behavioral studies of young chimpanzees and young humans [#permalink]

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06 Sep 2004, 19:15
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Behavioral studies of young chimpanzees and young humans reveal hardly any difference between their psychological capacities. The most reasonable explanation for these results is the inadequacy of the studies.

An unstated premise of the above argument is that:

A) Psychological capacities cannot be assessed objectively.

B) Biased researchers frequently misinterpret the results of their studies.

C) Young humans and chimps have underdeveloped psychological capacities.

D) The psychological capacities of babies and young chimps differ significantly.

E) Examining the central nervous system is a better way to assess psychological capacity than to study behavior.
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06 Sep 2004, 19:36
If babies = young humans, then D is the answer.
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06 Sep 2004, 22:08
Is it that straightforward? I may be misunderstanding this question but it seems to be asking for an assumption, not an inference as hinted by D. D is directly stated by the first sentence but is not an assumption. A is the answer IMO.

Argument: chimps = young humans, as proved by studies --> studies must be inadequate. Why? This is where assumption comes into play: The author is assuming that psychological cannot be assessed objectively. If the assumption is negated and that psychological faculties CAN be assessed, then there is no reason for the author to say that the studies is inadequate in the first place and the argument falls apart.
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07 Sep 2004, 00:35
Paul wrote:
Is it that straightforward? I may be misunderstanding this question but it seems to be asking for an assumption, not an inference as hinted by D. D is directly stated by the first sentence but is not an assumption. A is the answer IMO.

Argument: chimps = young humans, as proved by studies --> studies must be inadequate. Why? This is where assumption comes into play: The author is assuming that psychological cannot be assessed objectively. If the assumption is negated and that psychological faculties CAN be assessed, then there is no reason for the author to say that the studies is inadequate in the first place and the argument falls apart.

I too got A and was amazed to see the support for D; I thought I was totally wrong.

In addition to Paul's explanation, the words "most reasonable explanation" also hint the author's assumption that objective study is not possible.

Btw, just to understand, doesn't D contradict the stem? Stem says "reveal hardly any difference"; D says "differ significantly".
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07 Sep 2004, 01:19
Anyone else
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07 Sep 2004, 01:38
I got A

moreover in D, I don't like the term "babies". young human can be 8 years old and I don't consider it as a baby...I don't know if it's important or not , but it just made the difference for me

A for me
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07 Sep 2004, 03:59
Paul wrote:
Is it that straightforward? I may be misunderstanding this question but it seems to be asking for an assumption, not an inference as hinted by D. D is directly stated by the first sentence but is not an assumption. A is the answer IMO.

Argument: chimps = young humans, as proved by studies --> studies must be inadequate. Why? This is where assumption comes into play: The author is assuming that psychological cannot be assessed objectively. If the assumption is negated and that psychological faculties CAN be assessed, then there is no reason for the author to say that the studies is inadequate in the first place and the argument falls apart.

I don't think D is stated by the first sentence

"Behavioral studies of young chimpanzees and young humans reveal hardly any difference between their psychological capacities"

It is a premise and I think D another one.
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07 Sep 2004, 07:37
I think it is between A and E. D, I feel, is out of question. I will go with E.
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07 Sep 2004, 08:13
I think it is time to reveal the OA
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07 Sep 2004, 15:17
Folks
The OA is D ... I also selected A
I am still not getting a hang of why D is correct

Anyways here's the explanation provided from source

The unstated premise here refers to a belief which is not specified, but which is basic to the conclusions. Look over the alternatives carefully and see which of these statements must be assumed to be true in order to reach the conclusion.
(A) does not account for the conclusion, and in fact, there is evidence for the opposite assumption (what does this mean?). The fact that the researchers are relying on behavioral studies indicates that they think these differences can be measured. The critics must think so also for their criticism to make sense.
(D) The reason that an explanation of the results is sought indicates that the writer thinks there is a significant difference between chimps and humans, and therefore, the finding of no significant difference must be somehow explained. This is the best alternative.
(E) This is obviously an incorrect alternative. The writers chose to use behavioral methods.
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07 Sep 2004, 17:59
I see the point for D and I agree it could be the answer. However, there is an extremely weak job at refuting A
Quote:
The fact that the researchers are relying on behavioral studies indicates that they think these differences can be measured

This is totally not true. The critics could very well conclude that the studies were inadequate because those differences cannot be measured. The given explanation basically says that because researchers conducted the studies, the differences must be measurable: This is totally wrong. What is the source of this question? I'm about to throw in an ad hominem here
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Re: Behavioral studies of young chimpanzees and young humans [#permalink]

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09 Oct 2014, 04:50
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Behavioral studies of young chimpanzees and young humans   [#permalink] 09 Oct 2014, 04:50
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