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(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.
It shows a connection between the restrictions and malicious apps, even if not by the same developers.

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.
This is a constant factor that doesn't explain the recent surge.

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.
It doesn't say which the new apps are and it they have as many downloads as the original apps have.

(D) The major app-store platforms did not coordinate their policy changes with one another.
It's irrelevant to whether restrictions caused the surge.

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.
It doesn't address the source of malicious apps.

The right answer is A
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Option A is the correct answer.

Let's understand the information mentioned in the passage before trying to get the answer.

So the passage starts by telling us that some of the industry commentators are arguing that the recent surge in malicious mobile apps found in independent app markets are the result of new restrictions which the major app stores have implemented on their platforms. The the passage goes on by telling that after all this still no developer is removed from the major app platform the people whom the commentators believed to be the culprits of these malicious mobile apps, and now they have released a new on the alternative marketplace i.e. the independent app markets.
Now the question asks us which one of the following option if true weakens the commentators argument.

Option A: "Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers". This option tells us that the malicious apps which are available on independent market place are exactly the same as the legitimate apps which were removed from the major app platforms and these apps are offered by the developers who are not related to the major app marketplace. After understanding this option we can tell that this option clearly weakens the commentators argument i.e. "they suspected the developers working at major app markets place to be behind these malicious apps" and this option also tells that these apps are the same as the apps that were previously available on the major app marketplace. But before concluding our answer let's read other options as well. Selected

Option B: "Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do". This option tells that the independent marketplace always have fewer resources to detect and remove malicious apps which does not weakens the argument instead strengthens it as the developers will try to take benifit of rhis loophole and launch their malicious apps which gets rejected from major app markets. Eliminated

Option C: "Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks". This option talks about what is being done by a proportion of developers on the independent app market but we are not concerned about it, what we are concerned about is the availability of malicious apps on the independent app market for which the developers who work at major app market are suspected. In if we see this option slightly strengths the argument in some way. Eliminated

Option D: "The major app-store platforms did not coordinate their policy changes with one another". This option is irrelevant in answering the question as it is talking about whether the major app stores coordinated their policy or not, which is not the part of the passage because in the question we are concerned about the independent app market. Eliminated

Option E: "Some users continue to prefer downloading apps through official app stores, even after the policy changes". This option is also irrelevant as it talking about from where some of the users prefer to download the apps they use. The question is not asking from where does some people prefer to download the apps, the question talks about the malicious apps downloaded from the independent app market which is not mentioned in this option. Eliminated

So from here we can easy say that only option A weakens the passage, on the other hand rest of the options either strengthen the passage or are irrelevant to the passage. That's why Option A is our answer.


Bunuel
Some industry commentators argue that the recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions imposed by the major app-store platforms. Yet none of the developers removed from the major platforms, the commentators’ alleged culprits, has released a new app on those alternative marketplaces.

Which of the following, if true, most seriously weakens the argument made in the editorial?

(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.

(D) The major app-store platforms did not coordinate their policy changes with one another.

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.


 


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(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.
Even if original developers didn't move, their removal created demand for similar but malicious apps. It directly links restrictions to the surge via copycat apps.

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.
It explains why more malicious apps exist on these platforms generall but it doesn't explain the recent surge or connect it to new restrictions.

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.
It doesn't prove these groups created the surge or that their apps are malicious.

(D) The major app-store platforms did not coordinate their policy changes with one another.
It doesn't address the malicious app issue.

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.
It's about user behavior, not cause of malicious apps.

Correct answer is A
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(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.
Bad apps on other stores look just like good apps that got removed, but are made by different people. Users download them thinking they are the same apps.

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.
It explains why bad apps exist there generally. It doesn't explain why there's suddenly more now.

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.
It doesn't prove they made bad apps and it doesn't show they caused the increase.

(D) The major app-store platforms did not coordinate their policy changes with one another.
Irrelevant. Whether they worked together or not doesn't affect bad apps.

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.
It's not about why bad apps increased.

Answer A
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The correct answer is choice (C)

(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.
(This doesn't mention a specific time frame that matches the claim made)

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.
(This doesn't mention a specific time frame that matches the claim made)

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.
(This matches the specific time frame in the claim and encompasses the part about developer groups selecting independent marketplaces due to less oversight)

(D) The major app-store platforms did not coordinate their policy changes with one another.
(Unrelated to the claim)

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.
(Unrelated to the claim)
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(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.
Almost relevant as even if the same developers didn’ go to indie marketplaces, the consequence of the policy led to malicious imitators. It shows indirect exploitation but not necessarily that the policy caused the surge.

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.
Not relevant enough as it just tells a general trend, doesent show a link to new restrictions or recent change.

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.
Relevant, as it provides a causal connection, i.e new developers were attracted to indie platforms due to fewer checks, after the policy changes. So even though banned developers didnt move ,other new devs did. This weakens the argument

(D) The major app-store platforms did not coordinate their policy changes with one another.
Irrelevant to whether the surge in malicious apps was caused by the policy. We dont see any connection to the developers behaviour

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.
Irrelevant since it talks about users, not developers or malicious apps

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.
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Conclusion:

We need to weaken:
Existing App Developers who were banned from Major App Platforms did not go into Independent Market Place. It was new developers.

Option A states that although the developers might have been unrelated, the apps were related and thus makes a point for questioning the premise given.
Bunuel
Some industry commentators argue that the recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions imposed by the major app-store platforms. Yet none of the developers removed from the major platforms, the commentators’ alleged culprits, has released a new app on those alternative marketplaces.

Which of the following, if true, most seriously weakens the argument made in the editorial?

(A) Many of the malicious apps found on independent marketplaces resemble legitimate apps removed from major platforms and are offered by unrelated developers.

(B) Historically, the independent marketplaces have had far fewer resources to detect and remove malicious apps than major app-store platforms do.

(C) Shortly after the policy changes were announced, several new developer groups began targeting independent marketplaces to distribute apps with fewer compliance checks.

(D) The major app-store platforms did not coordinate their policy changes with one another.

(E) Some users continue to prefer downloading apps through official app stores, even after the policy changes.


 


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@martymurray @karishmab @carcass @Dimitryfarber

The use of word 'Yet' is making it really difficult to understand what the main conclusion is. Because of use of 'Yet', the sentence 'none of the developers removed from the major platforms, the commentators??? alleged culprits, has released a new app on those alternative marketplaces' sounds like statement of facts rather than drawing a conclusion.

Also, as per official explanation, the argument assumes that only removed developers could have been responsible for the problem. I am not able to understand how this assumption is valid.

I am unable to breakdown the structure of argument into premise and conclusion due to abovementioned issues. Kindly help us.
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There is no traditional conclusion in this argument. Not all CR arguments have conclusions or need conclusions, and arguments may have just factual statements and assumptions that make those statements work without conclusions. Paradox questions are the most obvious example.

The non traditional conclusion is the first sentence.

recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions

In other words: because of the App Store changes a surge of malicious mobile apps took place.
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bb Thank you for your input.

While evaluating this question, even I considered 'recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions' as the conclusion. But, the question asks us to weaken the argument (and not strengthen it like option A does)

I got this correct as my thinking was the author rejects the above statement, and, to weaken the authors stance, we shall strengthen the statement in bold.

This question would be a fairly easy one, but, the way it is framed makes it ambiguous and more difficult.

But thanks, this does gives a taste of how top percentile CR looks like!
bb
There is no traditional conclusion in this argument. Not all CR arguments have conclusions or need conclusions, and arguments may have just factual statements and assumptions that make those statements work without conclusions. Paradox questions are the most obvious example.

The non traditional conclusion is the first sentence.

recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions

In other words: because of the App Store changes a surge of malicious mobile apps took place.
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Seems like a "Resolve the Paradox" question to me, by stimulus.
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Thank you. Yes, this is a bit tricky to figure out what the argument actually is and who is arguing it.


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bb Thank you for your input.

While evaluating this question, even I considered 'recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions' as the conclusion. But, the question asks us to weaken the argument (and not strengthen it like option A does)

I got this correct as my thinking was the author rejects the above statement, and, to weaken the authors stance, we shall strengthen the statement in bold.

This question would be a fairly easy one, but, the way it is framed makes it ambiguous and more difficult.

But thanks, this does gives a taste of how top percentile CR looks like!
bb
There is no traditional conclusion in this argument. Not all CR arguments have conclusions or need conclusions, and arguments may have just factual statements and assumptions that make those statements work without conclusions. Paradox questions are the most obvious example.

The non traditional conclusion is the first sentence.

recent surge in malicious mobile apps found on independent app marketplaces is the result of new restrictions

In other words: because of the App Store changes a surge of malicious mobile apps took place.
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