The school principal : GMAT Critical Reasoning (CR)
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# The school principal

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22 Oct 2010, 09:13
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I actually dont see a flawed pattern here.
For me the argument is:

Conclusion: No Student Failure (grades disappeared) --> No Bad Teaching (teaching improved)
Nothing worng with that!
Thanks.

The school principal insisted that student failures are caused by bad teaching. In a relatively short time failing grades disappeared from the school. The principal happily recognized this as evidence that the teaching had improved at the school.
The flawed pattern of reasoning in the above is most similar to that in which one of the following?
(A) The nutritionist insisted that the weight gain that team members complained of was caused by overeating. In a brief time all the members stopped overeating. The nutritionist was pleased to conclude that they had stopped gaining weight.
(B) The manager insisted that the workers who filed complaints had too many difference tasks. The manager simplified the jobs, and complains stopped. The manager happily concluded that the working environment had been improved.
(C) The nutritionist insisted that the weight gain that team members complained of was merely in their imagination. Members were given weight charts for the last three months. The nutritionist was pleased to conclude that the complaints of weight gain had stopped.
(D) The manager insisted that the workers who filed complaints did not have enough to do. Soon there were no more complaints filed. The manager was pleased to conclude that the workers were now productively filling their time.
(E) The nutritionist insisted that the weight gain that team members complained of was cause by their thinking of food too often. The nutritionist was happy to conclude that the weight gain had stopped once the team members reported that they had stopped thinking of food so often.
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22 Oct 2010, 11:03
i think its D. Its the closest in pattern.

Fail/Complaints <----- Bad teacher/Not enough to do.

Then bad grades/complaints disappeared (note: principal did not take any other positive action other than making the allegation; for this reason B is wrong where the manager took some positive action - he "simplified the job").

Conclusion reached: teaching improved/time being filled productively.

The 'bad' cause - bad teacher/not enough to do turns into an improvement (good teaching/productive usage of time) in the conclusion
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22 Oct 2010, 11:17
failure improved therefore teaching must have improved.

X responsible for Y
Y improved Hence X improved

In E
Thinking food responsible for weight gain.
weight gain improved therefore thinking improved(stopped)
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22 Oct 2010, 12:42
I will go with [D]
This one has the closest pattern of Assumption-Result-Conclusion.

[E] is a close one, but if looked at closely, we can see that the team members reported that they had stopped thinking of food... whereas in the problem statement no student (or anybody) reported of bad teaching.

This is a good CR question... would be nice to see some more explanations... thanks for posting it!
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22 Oct 2010, 17:17
according to me its D.
whats OA ??
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22 Oct 2010, 17:23
i am with D too.
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22 Oct 2010, 22:27
D
Took me few minutes to compare and read through all the options. D is closest.
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23 Oct 2010, 22:58
D OA pls?
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25 Oct 2010, 10:25
IMO B..OA pls
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27 Oct 2010, 11:53
+1 (B)
OA pls..?
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01 Nov 2010, 17:01
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noboru wrote:
I actually dont see a flawed pattern here.
For me the argument is:

Conclusion: No Student Failure (grades disappeared) --> No Bad Teaching (teaching improved)
Nothing worng with that!
Thanks.

The school principal insisted that student failures are caused by bad teaching. In a relatively short time failing grades disappeared from the school. The principal happily recognized this as evidence that the teaching had improved at the school.
The flawed pattern of reasoning in the above is most similar to that in which one of the following?
(A) The nutritionist insisted that the weight gain that team members complained of was caused by overeating. In a brief time all the members stopped overeating. The nutritionist was pleased to conclude that they had stopped gaining weight.
(B) The manager insisted that the workers who filed complaints had too many difference tasks. The manager simplified the jobs, and complains stopped. The manager happily concluded that the working environment had been improved.
(C) The nutritionist insisted that the weight gain that team members complained of was merely in their imagination. Members were given weight charts for the last three months. The nutritionist was pleased to conclude that the complaints of weight gain had stopped.
(D) The manager insisted that the workers who filed complaints did not have enough to do. Soon there were no more complaints filed. The manager was pleased to conclude that the workers were now productively filling their time.
(E) The nutritionist insisted that the weight gain that team members complained of was cause by their thinking of food too often. The nutritionist was happy to conclude that the weight gain had stopped once the team members reported that they had stopped thinking of food so often.

D. It's circular logic. In the example given, the principal is claiming that the students are failing because of bad teaching. When the students stop failing, he then claims that the teaching has improved. But he never proved that bad teaching was the cause of student failures, nor did he actually show that teaching improved. He made a claim, didn't back it up, then used his own unproven claim to prove itself.

In D, the same type of circular logic is used - the manager claims that workers are filing complaints because they have nothing to do, but fails to back that claim up at all. Then, when workers stop filing complaints, the manager claims it's because the workers no longer have nothing to do. Again, he makes a claim, fails to provide evidence, and then uses the claim to prove itself.
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01 Nov 2010, 19:44
TehJay wrote:
noboru wrote:
I actually dont see a flawed pattern here.
For me the argument is:

Conclusion: No Student Failure (grades disappeared) --> No Bad Teaching (teaching improved)
Nothing worng with that!
Thanks.

The school principal insisted that student failures are caused by bad teaching. In a relatively short time failing grades disappeared from the school. The principal happily recognized this as evidence that the teaching had improved at the school.
The flawed pattern of reasoning in the above is most similar to that in which one of the following?
(A) The nutritionist insisted that the weight gain that team members complained of was caused by overeating. In a brief time all the members stopped overeating. The nutritionist was pleased to conclude that they had stopped gaining weight.
(B) The manager insisted that the workers who filed complaints had too many difference tasks. The manager simplified the jobs, and complains stopped. The manager happily concluded that the working environment had been improved.
(C) The nutritionist insisted that the weight gain that team members complained of was merely in their imagination. Members were given weight charts for the last three months. The nutritionist was pleased to conclude that the complaints of weight gain had stopped.
(D) The manager insisted that the workers who filed complaints did not have enough to do. Soon there were no more complaints filed. The manager was pleased to conclude that the workers were now productively filling their time.
(E) The nutritionist insisted that the weight gain that team members complained of was cause by their thinking of food too often. The nutritionist was happy to conclude that the weight gain had stopped once the team members reported that they had stopped thinking of food so often.

D. It's circular logic. In the example given, the principal is claiming that the students are failing because of bad teaching. When the students stop failing, he then claims that the teaching has improved. But he never proved that bad teaching was the cause of student failures, nor did he actually show that teaching improved. He made a claim, didn't back it up, then used his own unproven claim to prove itself.

In D, the same type of circular logic is used - the manager claims that workers are filing complaints because they have nothing to do, but fails to back that claim up at all. Then, when workers stop filing complaints, the manager claims it's because the workers no longer have nothing to do. Again, he makes a claim, fails to provide evidence, and then uses the claim to prove itself.

Superb explanation! +1
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03 Nov 2010, 00:58
1:21 - D. Woohoo!
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03 Nov 2010, 04:22
Premise 1: Cause ----> Effect
Conclusion: No Effect -----> No Cause

A : Cause----> Effect
No Cause -----> No Effect
B: Cause 1 -----> Effect 1
No Cause 1 ------> No effect 1
Hence Effect 2
C: Cause 1----> Effect
Cause 2 -----> No Effect

D: Cause -----> Effect
No Effect -----> No Cause

E: Cause----> Effect
No Cause -----> No Effect
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03 Nov 2010, 08:16
noboru wrote:
I actually dont see a flawed pattern here.
For me the argument is:

Conclusion: No Student Failure (grades disappeared) --> No Bad Teaching (teaching improved)
Nothing worng with that!
Thanks.

The school principal insisted that student failures are caused by bad teaching. In a relatively short time failing grades disappeared from the school. The principal happily recognized this as evidence that the teaching had improved at the school.
The flawed pattern of reasoning in the above is most similar to that in which one of the following?
(A) The nutritionist insisted that the weight gain that team members complained of was caused by overeating. In a brief time all the members stopped overeating. The nutritionist was pleased to conclude that they had stopped gaining weight.
(B) The manager insisted that the workers who filed complaints had too many difference tasks. The manager simplified the jobs, and complains stopped. The manager happily concluded that the working environment had been improved.
(C) The nutritionist insisted that the weight gain that team members complained of was merely in their imagination. Members were given weight charts for the last three months. The nutritionist was pleased to conclude that the complaints of weight gain had stopped.
(D) The manager insisted that the workers who filed complaints did not have enough to do. Soon there were no more complaints filed. The manager was pleased to conclude that the workers were now productively filling their time.
(E) The nutritionist insisted that the weight gain that team members complained of was cause by their thinking of food too often. The nutritionist was happy to conclude that the weight gain had stopped once the team members reported that they had stopped thinking of food so often.

+1 to D from me.

Seems to me like the original sentence fails to describe any action taken to combat the issue at hand. In several of the answer choices action is taken to improve the situation, such as in option A, which explicitly stated that several members stopped overeating.
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03 Nov 2010, 09:38
yeah, its D

noboru wrote:
I actually dont see a flawed pattern here.
For me the argument is:

Conclusion: No Student Failure (grades disappeared) --> No Bad Teaching (teaching improved)
Nothing worng with that!
Thanks.

The school principal insisted that student failures are caused by bad teaching. In a relatively short time failing grades disappeared from the school. The principal happily recognized this as evidence that the teaching had improved at the school.
The flawed pattern of reasoning in the above is most similar to that in which one of the following?
(A) The nutritionist insisted that the weight gain that team members complained of was caused by overeating. In a brief time all the members stopped overeating. The nutritionist was pleased to conclude that they had stopped gaining weight.
(B) The manager insisted that the workers who filed complaints had too many difference tasks. The manager simplified the jobs, and complains stopped. The manager happily concluded that the working environment had been improved.
(C) The nutritionist insisted that the weight gain that team members complained of was merely in their imagination. Members were given weight charts for the last three months. The nutritionist was pleased to conclude that the complaints of weight gain had stopped.
(D) The manager insisted that the workers who filed complaints did not have enough to do. Soon there were no more complaints filed. The manager was pleased to conclude that the workers were now productively filling their time.
(E) The nutritionist insisted that the weight gain that team members complained of was cause by their thinking of food too often. The nutritionist was happy to conclude that the weight gain had stopped once the team members reported that they had stopped thinking of food so often.
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14 Nov 2010, 03:54
OA is D, and your reasoning is fantastic!

However,

Premise: C>E
Conclusion: No E>No C

is not a flawed pattern.

Could anybody clarify that?

ramgmat wrote:
Premise 1: Cause ----> Effect
Conclusion: No Effect -----> No Cause

A : Cause----> Effect
No Cause -----> No Effect
B: Cause 1 -----> Effect 1
No Cause 1 ------> No effect 1
Hence Effect 2
C: Cause 1----> Effect
Cause 2 -----> No Effect

D: Cause -----> Effect
No Effect -----> No Cause

E: Cause----> Effect
No Cause -----> No Effect

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19 Dec 2010, 17:12
+1 D
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19 Dec 2010, 20:54
suhi wrote:
according to me its D.
whats OA ??

Yeah its D...
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20 Dec 2010, 12:33
Nobody is going to clarify this?

noboru wrote:
OA is D, and your reasoning is fantastic!

However,

Premise: C>E
Conclusion: No E>No C

is not a flawed pattern.

Could anybody clarify that?

ramgmat wrote:
Premise 1: Cause ----> Effect
Conclusion: No Effect -----> No Cause

A : Cause----> Effect
No Cause -----> No Effect
B: Cause 1 -----> Effect 1
No Cause 1 ------> No effect 1
Hence Effect 2
C: Cause 1----> Effect
Cause 2 -----> No Effect

D: Cause -----> Effect
No Effect -----> No Cause

E: Cause----> Effect
No Cause -----> No Effect

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Re: The school principal   [#permalink] 20 Dec 2010, 12:33

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