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Among the more effective kinds of publicity that publishers can get

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Re: Among the more effective kinds of publicity that publishers can get  [#permalink]

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New post 10 May 2016, 20:33
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RatneshS wrote:
VeritasPrepKarishma wrote:
Karishma I have a question here with regards to D
Suppose if excerpts are not published--out of 100 books we have sales for only 10
if published--60 are the viewers and among 60, 31 found out a substitute while 29 are still going to buy the book
'so if no excerpt----sales is 10
with excerpt---sales= 10+29=39,which means sales have increased even after undermining A


When we talk about "number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute", we are talking about the people who wanted to read the book initially but after seeing the excerpt, decided that it is sufficient. So we are saying that the reduction in the number of initially interested people should not be more than the the number of newly interested people.

Out of 100, say there are 30 people who would like to read the book.

No excerpt, book published. Sale = 30

Excerpt published before the book published - stimulated 20 more people to buy the book. But what if of the 30 people who wanted to read the book, 25 now feel that the excerpt was sufficient and enough of a substitute for the whole book. Now only 20+5 = 25 people buy the book.
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New post 25 Sep 2017, 07:52
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New post 21 Sep 2018, 19:23
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Please merge with https://gmatclub.com/forum/among-the-mo ... 97945.html and https://gmatclub.com/forum/among-the-mo ... 56487.html

Sorry I can't do it, on an OG11 CR mission :)
Thx.
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New post 24 Sep 2018, 03:10
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New post 17 Oct 2018, 09:38
VeritasKarishma wrote:
(A) The number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute for reading the whole book is smaller than the number for whom the excerpt stimulates a desire to read the book.

Since excerption increases sales, the no. of people who would have bought the book without excerption but will not after reading the excerpt must be lower than the number of people who will buy the book after reading the excerpt but would not have otherwise. Only then will the sales rise due to excerption.

Hi Karishma, I am not getting this. You mention "the no. of people who would have bought the book without excerption". But A does not seem to be talking about such people at all. A is only talking about the set of people who "have" read the excerpt. After having read the excerpt, do these people buy the book or do they feel that excerpt suffices as an adequate substitute for reading the whole book. This is what A is talking about. Can you please check.

Also, I am having difficulty understand on what basis A is the conclusion.
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New post 13 Aug 2019, 21:06
nightblade354 wrote:
pikolo2510 wrote:
Hello Experts,

can you explain the difference between option A and Option D?


Hi pikolo2510,

Let's analyze A and D!

Among the more effective kinds of publicity that publishers can get for a new book is to have excerpts of it published in a high-circulation magazine soon before the book is published. The benefits of such excerption include not only a sure increase in sales but also a fee paid by the magazine to the book's publisher.

Which of the following conclusions is best supported by the information above?
-- This is an inference question, meaning the answer HAS to be true.

A) The number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute for reading the whole book is smaller than the number for whom the excerpt stimulates a desire to read the book. -- More people who see the magazine excerpt buy the book than those who don't, therefore sales go up.

D) The effectiveness of having excerpts of a book published in a magazine, measured in terms of increased sales of a book, is proportional to the circulation of the magazine in which the excerpts are published. -- Your line of thinking is correct, but with a little flaw. This answer talks about proportions. The answer is saying that if the magazine is widely circulated, more will buy the book. If the magazine is less circulated, less will buy the book. The issue,
here, though it may make sense in reality, is that the we cannot say for 100% certainty whether this is correct or not, as the question never compares the rate of distribution to the success of sales. This can't be proven, so it cannot be an inference. If this were an assumption question, this might be a nice choice.


Does this help?



nightblade354, VeritasKarishma: I do not see any better option than A here, but I doubt even A because of below reasoning

It is not clearly mentioned that magazine excerpts are the only source for getting customers for the book. Let us say some 1000 copies were any ways going to be sold irrespective of whether the excerpt is published or not.
Now an excerpt is published in a magazine whose readership let us say is 1000 . Now whether 200 of these decide to buy the book (which is less than 800- who decide not to buy it) or 600 decide to buy the book (which is greater than 400-who decide not to buy because they found the excerpt to be enough), the book sale increases in either of the cases. In first case from 1000 to 1200 and in second case from 1000 to 1600. So how this can be the conclusion for the argument??


What is the flaw in my reasoning for marking A as wrong here....
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New post 13 Aug 2019, 21:21
VeritasKarishma wrote:
RatneshS wrote:
VeritasPrepKarishma wrote:
Karishma I have a question here with regards to D
Suppose if excerpts are not published--out of 100 books we have sales for only 10
if published--60 are the viewers and among 60, 31 found out a substitute while 29 are still going to buy the book
'so if no excerpt----sales is 10
with excerpt---sales= 10+29=39,which means sales have increased even after undermining A


When we talk about "number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute", we are talking about the people who wanted to read the book initially but after seeing the excerpt, decided that it is sufficient. So we are saying that the reduction in the number of initially interested people should not be more than the the number of newly interested people.

Out of 100, say there are 30 people who would like to read the book.

No excerpt, book published. Sale = 30

Excerpt published before the book published - stimulated 20 more people to buy the book. But what if of the 30 people who wanted to read the book, 25 now feel that the excerpt was sufficient and enough of a substitute for the whole book. Now only 20+5 = 25 people buy the book.


VeritasKarishma But there may still be few people who never read the magazine and would have bought the book anyways. We may no longer conclude on A if this was true
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New post 13 Aug 2019, 21:24
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New post 13 Aug 2019, 22:21
saukrit wrote:
nightblade354 wrote:
pikolo2510 wrote:
Hello Experts,

can you explain the difference between option A and Option D?


Hi pikolo2510,

Let's analyze A and D!

Among the more effective kinds of publicity that publishers can get for a new book is to have excerpts of it published in a high-circulation magazine soon before the book is published. The benefits of such excerption include not only a sure increase in sales but also a fee paid by the magazine to the book's publisher.

Which of the following conclusions is best supported by the information above?
-- This is an inference question, meaning the answer HAS to be true.

A) The number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute for reading the whole book is smaller than the number for whom the excerpt stimulates a desire to read the book. -- More people who see the magazine excerpt buy the book than those who don't, therefore sales go up.

D) The effectiveness of having excerpts of a book published in a magazine, measured in terms of increased sales of a book, is proportional to the circulation of the magazine in which the excerpts are published. -- Your line of thinking is correct, but with a little flaw. This answer talks about proportions. The answer is saying that if the magazine is widely circulated, more will buy the book. If the magazine is less circulated, less will buy the book. The issue,
here, though it may make sense in reality, is that the we cannot say for 100% certainty whether this is correct or not, as the question never compares the rate of distribution to the success of sales. This can't be proven, so it cannot be an inference. If this were an assumption question, this might be a nice choice.


Does this help?



nightblade354, VeritasKarishma: I do not see any better option than A here, but I doubt even A because of below reasoning

It is not clearly mentioned that magazine excerpts are the only source for getting customers for the book. Let us say some 1000 copies were any ways going to be sold irrespective of whether the excerpt is published or not.
Now an excerpt is published in a magazine whose readership let us say is 1000 . Now whether 200 of these decide to buy the book (which is less than 800- who decide not to buy it) or 600 decide to buy the book (which is greater than 400-who decide not to buy because they found the excerpt to be enough), the book sale increases in either of the cases. In first case from 1000 to 1200 and in second case from 1000 to 1600. So how this can be the conclusion for the argument??


What is the flaw in my reasoning for marking A as wrong here....


Well. Just got my doubt clarified by Sayon offline

Let us say some 1000 copies were any ways going to be sold irrespective of whether the excerpt is published or not.

Let,
X = The number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute for reading the whole book.

Y = The number for whom the excerpt stimulates a desire to read the book.

[The publishers will only have increase in sales if the value of Y is > 0. Value of X has no impact on sales (infact it can reduce sales).]

Now according to A, X < Y.

Saukrit's doubt- even if X > Y there will be a SURE increase in sales.
But that's not the case. It can also mean Y = 0.
Is there a benefit in publishing excerpts in the mag if Y = 0? NO

So, A does make sense.

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New post 11 Sep 2019, 00:39
"The number of people for whom seeing an excerpt of a book in a magazine provides an adequate substitute for reading the whole book is smaller than the number for whom the excerpt stimulates a desire to read the book"

I am really unhappy with this answer (although all other answers are wrong, of course) because of the following scenario. Imagine there was no person in a population that had heard of book X. If excerpts are published now and 99% of the people do not buy the book, but for 1% it stimulates a desire to read the book, then sales still increase, but the proportion of people that view the excerpt as a substitute is still 99%.

Any thoughts GMATNinja?
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New post 02 Oct 2019, 20:42
I agree with RatneshS. If publishing the excerpt adds just 1 buyer of the book, the book sells more with the publication in the magazine than without it. Even if 99 out of 100 people that read the excerpt do not buy the book, the book still sells more by publishing the excerpt than without publishing the excerpt.
So A should be incorrect :)
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Among the more effective kinds of publicity that publishers can get   [#permalink] 02 Oct 2019, 20:42

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