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Numerous studies of chemotherapy patients over the last ten

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Numerous studies of chemotherapy patients over the last ten [#permalink] New post 31 Jul 2011, 13:47
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Numerous studies of chemotherapy patients over the last ten years have shown that patients who had regularly attended support groups or received counseling experienced significantly fewer side effects and shorter recovery times from chemotherapy than did patients who had not. Clearly, although the mainstream scientific community has been slow to acknowledge it, psychological support has an effect on the body's ability to heal.

Which of the following, if true, would most strengthen the argument above?

The survival rates for chemotherapy patients in the study were virtually identical regardless of whether or not they received support.
The patients who did not attend support groups chose not to do so, even though they were healthy enough to attend.
Many medical doctors believe that the mind plays a role in the causation and prevention of illness.
The majority of chemotherapy patients must undergo more than one round of treatment.
Some hospitals do not conduct support groups on their premises for chemotherapy patients and their families.
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Re: CR - 700 level - cancer [#permalink] New post 31 Jul 2011, 15:11
I'd go with B

The conclusion of the argument is - 'psychological support has an effect on the body's ability to heal.'

The survival rates for chemotherapy patients in the study were virtually identical regardless of whether or not they received support. -- does not help the conclusion at all. At best it hurts the argument
The patients who did not attend support groups chose not to do so, even though they were healthy enough to attend.
This says that there patients who did not attend support groups did so by choice only. SO there is no other factor behind their slower recovery after chemotherapy(such as support grps not being available) etc. So this supports the conclusion
Many medical doctors believe that the mind plays a role in the causation and prevention of illness.
We are talking about healing after something has already happened here. causation and prevention of illnesses are irrelevant
The majority of chemotherapy patients must undergo more than one round of treatment. --irrelevant for the argument
Some hospitals do not conduct support groups on their premises for chemotherapy patients and their families. - this actually weaken the argument because if this was a factor then the study and its conclusion will not hold good
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 09:18
i tend to choose C
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 09:33
IMO C. Whats the OA?
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 23:08
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+1 B,

agree with dreambeliever's explanations.

Option C is wrong because it primarily uses the word many in "Many Doctors". many is just a number and proves nothing of a consented opinion. For eg., there are 1 million doctors. Out of those, 1,000 doctors believe in the positive effect of mind on preventing illness, but rest do not. Even 1,000 doctors = "many doctors", but their viewpoint is not representative of the entire community as a whole.

If you search for further reasons to rule out option C, then the option mentions about cause and prevention of illness, whereas the question talks about effect of mind on body's healing capability, which is not mentioned in C.
Though for me the first word "many" was enough to rule out the option as irrelevant.
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 23:19
Let us look at it like this.

Premise:numerous studies of chemotherapy patients over the last ten years have shown that patients who had regularly attended support groups or received counseling experienced significantly fewer side effects and shorter recovery times from chemotherapy than did patients who had not.


Conclusion:Clearly, although the mainstream scientific community has been slow to acknowledge it, psychological support has an effect on the body's ability to heal.

The answer to this question should strengthen the conclusion.

If you carefully look at B- does that Strengthen the conclusion. It reads: The patients who did not attend support groups chose not to do so, even though they were healthy enough to attend.

The conclusion is talking about the psychological support and if reviewing the answer choices this is something which must be taken note of .

In that sense I chose C. Further, If many doctors believe...... it would strengthen the conclusion that psychological support does play an important role.

Alternate explanations welcome.

Can we have the OA please?

Last edited by chandu4gmat on 01 Aug 2011, 23:50, edited 2 times in total.
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 23:26
The survival rates for chemotherapy patients in the study were virtually identical regardless of whether or not they received support.: This is at best out of scope and at worst weakening to the argument. argument talks of speed of healing and side effects, not of the survival chances
The patients who did not attend support groups chose not to do so, even though they were healthy enough to attend.: Argument says those who attended support groups healed faster. And those who didnt attend healed slower- and attributes it to the fact that they didnt attend support group.Any option that eliminates other possible reasons for not attending will support/ strengthen. Here the option says that the patients did not NOT attend because they were too ill. If that was the case, then their slow recovery could be attributed to the extent of their illness and not the support group's influence. by eliminating this possible cause, the option strengthens.
Many medical doctors believe that the mind plays a role in the causation and prevention of illness.: Many doesnt mean most, and any way, this sortof conflicts with argument which says mainstream doctors have been slow to acknowledge. again causation, and prevention is not same as healing.
The majority of chemotherapy patients must undergo more than one round of treatment.: Irrelevant, out of scope
Some hospitals do not conduct support groups on their premises for chemotherapy patients and their families.That cannot help us judge whether the support groups are beneficial or not.
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 23:32
Option B does not say that they were ill rather they were healthy,yet they did not attend.
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Re: CR - 700 level - cancer [#permalink] New post 01 Aug 2011, 23:36
Would go with C. OA and OE Pls
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Re: CR - 700 level - cancer [#permalink] New post 02 Aug 2011, 01:45
IMO B,

C talks about the prevention and causation of the disease but the prompt talks about the healing process.. these are completely different things.. out of the remaining four choices found B to be most suitable..
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Re: CR - 700 level - cancer [#permalink] New post 02 Aug 2011, 03:28
That's an awesome question.

I also got lured for C first but then realized that it should be B.

It is a very good question and that is how they trick you on the real GMAT also :P
Need to be extra careful :)

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Re: CR - 700 level - cancer [#permalink] New post 02 Aug 2011, 04:17
Although i agree that option C should not be OA but still i am not very sure that option B is an Ans.
Option B never said that, ppl who did not attend grps has slower recovery.

Pls explain
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Re: CR - 700 level - cancer [#permalink] New post 02 Aug 2011, 07:47
I will gowith B. OA please
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Re: CR - 700 level - cancer [#permalink] New post 02 Aug 2011, 12:00
1 more tricky question from bschool83...

what's the OA buddy?
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Re: CR - 700 level - cancer [#permalink] New post 04 Aug 2011, 00:28
Sure this one was tricky one. I also had gone for C but realized it is B
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Re: CR - 700 level - cancer [#permalink] New post 04 Aug 2011, 09:38
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I agree this question is tricky but sticking to fundamental of reasoning works here.

Conclusion is 'psychological support helps heal faster'
Evidence: people who attended these events healed faster than those who didn't attend

This is a causal argument. Something that suggests that no other factor caused the attendees to heal faster, should be the answer. B portrays this but saying the healthier people didn't attend, i.e., all attendees were equally ill.

C is 50/50 right. "mind plays a role in the causation of illness" is not mentioned anywhere.

B is the OA.
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Re: CR - 700 level - cancer [#permalink] New post 04 Aug 2011, 15:22
+1 B

C is out of scope.
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Re: CR - 700 level - cancer [#permalink] New post 04 Aug 2011, 17:25
OA - B

Approach-1
-------------------
B strengthens by creating a representative sample of the 2 groups and eliminating all the possible choices.
People - who attend
People - who did NOT attend

Conclusion - 'psychological support helps heal faster'
Both group should be represented equally that is - People who DID NOT attend should have more SEs and higher RTs than the People who DID ATTEND, ONLY because of SGs/Couns., NOT because they were healthy.

B - tells People who DID NOT attend chose that option because they were HEALTHY. In effect eliminating HEALTH as a factor among the reasons

Approach-2
-------------------
You can use POE....I confirmed by eliminating all the other ones....It was very easy.

Note - The question has already been discussed
cr-chemotherapy-42686.html
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Re: CR - 700 level - cancer [#permalink] New post 04 Aug 2011, 17:41
Second thought
I am not sure, but did anyone read the choice-B as a SC question !!!

DO SO - refers to an entire action - So in this case choice-B will mean one of the below choices....

1) The patients who did not attend...chose not to attend, even though they were healthy enough to attend.
OR

2) The patients who did not attend SGs chose not to (not to attend)...
==>The patients who did not attend SGs chose to attend, even though they were healthy enough to attend.

Option (2) is nonsense in meaning...So obviously I will rule that out.

But my question is does DO SO grammatically lead to option (1) ?
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Re: CR - 700 level - cancer [#permalink] New post 05 Aug 2011, 12:32
B after reading the posts......:)
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Re: CR - 700 level - cancer   [#permalink] 05 Aug 2011, 12:32
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