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# Physician: The patient is suffering either from disease X or

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Director
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Physician: The patient is suffering either from disease X or [#permalink]

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10 May 2005, 15:47
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13. Physician: The patient is suffering either from disease X or else from disease Y, but there is no available test for distinguishing X from Y. Therefore, since there is an effective treatment for Y but no treatment for X, we must act on the assumption that the patient has a case of Y.

The physicianâ€™s reasoning could be based on which one of the following principles?

(A) In treating a patient who has one or the other of two diseases, it is more important to treat the diseases than to determine which of the two diseases the patient has.
(B) If circumstances beyond a decision makerâ€™s control will affect the outcome of the decision makerâ€™s actions, the decision maker must assume that circumstances are unfavorable.
(C) When the soundness of a strategy depends on the truth of a certain assumption, the first step in putting the strategy into effect must be to test the truth of this assumption.
(D) When success is possible only if a circumstance beyond oneâ€™s control is favorable, then oneâ€™s strategy must be based on the assumption that this circumstance is in fact favorable.
(E) When only one strategy carries the possibility of success, circumstances must as much as possible be changed to fit this strategy.

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Re: CR: Disease X and Y [#permalink]

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10 May 2005, 17:03
D looks the best option.

A is not true because there's no treatment for X.
B is not true, because assumption that the circumstances are unfavorable has not been taken.
C is not true, because the strategy is not being tested here - in fact there's no test at all.
D looks true, because if one can't distinguish between X and Y (beyond one's control) and there's no treatment for X (beyond one's control), the approach is to assume its Y and proceed with treatment (assuming the situation is favorable).
E is not true, because there're no circumstances that are changed to fit strategy.
_________________

Who says elephants can't dance?

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Re: CR: Disease X and Y [#permalink]

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07 Jun 2005, 12:32
kapslock wrote:
D looks the best option.

A is not true because there's no treatment for X.
B is not true, because assumption that the circumstances are unfavorable has not been taken.
C is not true, because the strategy is not being tested here - in fact there's no test at all.
D looks true, because if one can't distinguish between X and Y (beyond one's control) and there's no treatment for X (beyond one's control), the approach is to assume its Y and proceed with treatment (assuming the situation is favorable).
E is not true, because there're no circumstances that are changed to fit strategy.

I think the answer is C. The meaning of "the truth" here is "the outcome". So, according to C, the first step is putting the startegy of treating the patient for the disease Y, in which case if the disease is cured then the assumption is true. If not, the patient has a case of X.

What is the OA?

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Director
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08 Jun 2005, 07:28
Bw (C) and (D), i go for (D).

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08 Jun 2005, 07:55
D for me.

GA

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08 Jun 2005, 14:48
D.

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SVP
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08 Jun 2005, 19:01
D...

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08 Jun 2005, 20:13
D..

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08 Jun 2005, 20:24
(A) In treating a patient who has one or the other of two diseases, it is more important to treat the diseases than to determine which of the two diseases the patient has.
- There is no suggestion that assuming Y will treat the disease

(B) If circumstances beyond a decision makerâ€™s control will affect the outcome of the decision makerâ€™s actions, the decision maker must assume that circumstances are unfavorable.
- no suggestion Y is worse of the two. A is out.

(C) When the soundness of a strategy depends on the truth of a certain assumption, the first step in putting the strategy into effect must be to test the truth of this assumption.
- There is no testing to see if Y is true,

(D) When success is possible only if a circumstance beyond oneâ€™s control is favorable, then oneâ€™s strategy must be based on the assumption that this circumstance is in fact favorable.

(E) When only one strategy carries the possibility of success, circumstances must as much as possible be changed to fit this strategy.
- No such suggestion in the passage

I'll go for C. Success is possible only if the patient has disease Y (circumstance is favorable), and the strategy would be based on assuming the patient has Y.

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08 Jun 2005, 20:56
ywilfred wrote:
(A) In treating a patient who has one or the other of two diseases, it is more important to treat the diseases than to determine which of the two diseases the patient has.
- There is no suggestion that assuming Y will treat the disease

(B) If circumstances beyond a decision makerâ€™s control will affect the outcome of the decision makerâ€™s actions, the decision maker must assume that circumstances are unfavorable.
- no suggestion Y is worse of the two. A is out.

(C) When the soundness of a strategy depends on the truth of a certain assumption, the first step in putting the strategy into effect must be to test the truth of this assumption.
- There is no testing to see if Y is true,

(D) When success is possible only if a circumstance beyond oneâ€™s control is favorable, then oneâ€™s strategy must be based on the assumption that this circumstance is in fact favorable.

(E) When only one strategy carries the possibility of success, circumstances must as much as possible be changed to fit this strategy.
- No such suggestion in the passage

I'll go for C. Success is possible only if the patient has disease Y (circumstance is favorable), and the strategy would be based on assuming the patient has Y.

I think ywilfred meant to say that he's going for D, not C.
Even the answer choice E sounds good to me now....

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08 Jun 2005, 23:11
vkat007 wrote:
ywilfred wrote:
(A) In treating a patient who has one or the other of two diseases, it is more important to treat the diseases than to determine which of the two diseases the patient has.
- There is no suggestion that assuming Y will treat the disease

(B) If circumstances beyond a decision makerâ€™s control will affect the outcome of the decision makerâ€™s actions, the decision maker must assume that circumstances are unfavorable.
- no suggestion Y is worse of the two. A is out.

(C) When the soundness of a strategy depends on the truth of a certain assumption, the first step in putting the strategy into effect must be to test the truth of this assumption.
- There is no testing to see if Y is true,

(D) When success is possible only if a circumstance beyond oneâ€™s control is favorable, then oneâ€™s strategy must be based on the assumption that this circumstance is in fact favorable.

(E) When only one strategy carries the possibility of success, circumstances must as much as possible be changed to fit this strategy.
- No such suggestion in the passage

I'll go for C. Success is possible only if the patient has disease Y (circumstance is favorable), and the strategy would be based on assuming the patient has Y.

I think ywilfred meant to say that he's going for D, not C.
Even the answer choice E sounds good to me now....

Yes, I meant D. Thanks for pointing that out. E is not very good as it says the circumstances must change to fit the strategy. But there is nothing in the passage that mentions a change in circumstance.

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09 Jun 2005, 00:14
The physician sounds trying really hard to treat the patient, who is suffering from either disease X or Y. There is no treatment for X, and the physician does not know how the treatment for Y affects the disease X. Anyway, he has decided to take a calculated risk by treating for Y.

However, if the patient does have disease X but being treated with the wrong medicine, then there wonâ€™t be any sign of health improvement or there might be an adverse effect. Therefore, the physician can conclude that his assumption becomes wrong.

Clearly, his strategy is to put his assumption into a test. Choice C paraphrases this idea.

Choice D describes the principle of blind risk. The physician does not seem to go in that route. Between choice C (principle of calculated risk) and choice D (principle of blind risk), C has an edge. Therefore, C is the best answer.

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09 Jun 2005, 05:48
WinWinMBA, what is the OA please??????

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10 Jun 2005, 18:48
D from me too...

Fits quite clearly

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Director
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11 Jun 2005, 08:22
The OA is D.

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GMAT Club Legend
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Re: Physician: The patient is suffering either from disease X or [#permalink]

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12 Mar 2015, 01:05
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Re: Physician: The patient is suffering either from disease X or   [#permalink] 12 Mar 2015, 01:05
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