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# Negation - strengthening

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Manager
Joined: 26 Dec 2017
Posts: 148

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03 Sep 2018, 11:02
1
Can we use negation test for strengthening questions
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Intern
Joined: 29 Oct 2017
Posts: 5

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03 Sep 2018, 11:25
In my opinion:
You can use the denial test to discriminate between right and wrong assumptions; when you deny the correct answer to an assumption question, the argument falls apart.
In other hand, Weaken and Strengthen questions ask for a statement that makes the assumption unreasonable or untrue (Weaken) or that is affirming the truth of the assumption (Strengthen).

In conclusion, if you deny a choice of a Strengthen question and it weakens the argument, that choice was strengthening the argument. This means the choice is a possible candidate to pick.

I suggest you to have in mind that Strengtheners make the conclusion more likely to follow from the evidence, while weakeners make it less so.
Manager
Joined: 20 Jun 2017
Posts: 91
GMAT 1: 570 Q49 V19

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03 Sep 2018, 11:40
tejyr wrote:
Can we use negation test for strengthening questions

My 2 cents:

Lets run through a simple argument to answer this question:

Argument - On the advise of Mr. Josh I took a medicine and sometime later I started to feel better. Hence Mr. Josh must be a doctor.

Assumption - After consuming a medicine if a person feels better, then that medicine must have been recommended by a doctor only.

Strengthener - Mr. Josh is on the payrolls of 'Edwards Hospital', California's most expensive hospital.

Negated assumption - After consuming a medicine if a person feels better, then that medicine may not have been recommended necessarily by a doctor.

As you may see that the negated assumption just kills the argument, now it is not necessary that Mr. Josh is a doctor rather he may be my concerned neighbor.

Negated strengthener - Mr. Josh is NOT on the payrolls of 'Edwards Hospital', California's most expensive hospital.

Negated strengthener may just weaken the argument or in fact may have no impact on the argument. As in this case you may say that so what if Mr. Josh is not on the payrolls of Edwards Hospital, he might be running his private clinic in California. So in toto, negated strengthener may just weaken the argument or in fact may not impact the argument at all.

Hope this helps.
Negation - strengthening   [#permalink] 03 Sep 2018, 11:40
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