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It is true that students who do the majority of their learning

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It is true that students who do the majority of their learning  [#permalink]

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New post 04 Apr 2018, 01:43
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A
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It is true that students who do the majority of their learning on computer screens from a young age can be at a higher risk of developing myopia later in life, with the most significant risk being increased risk of degenerative myopia as a result of too much near-work. Classroom-based learning which does not involve computers represents the traditional alternative to the growing popularity of e-learning. It provides face-to-face “real-world” instruction, which allows students’ vision more depth-of-field variety as instruction occurs. Therefore, non-computer-based learning is a better alternative to e-learning for young students and their visual development.

Which of the following is an assumption upon which the argument depends?

A- If given the choice, students will continue to work on computers rather than in the “real world” even after they report some eye strain.

B- Eye function is hindered less by depth-of-field variety learning than by near-work.

C- Eyes are not damaged in similar ways working on a computer screen and reading a textbook.

D- The risk of myopic damage caused by prolonged focus on screens is unacceptably high.

E- Some computers cannot be programmed to stimulate wider depth-of-field at regular intervals to counter-balance any prolonged eye strain

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Re: It is true that students who do the majority of their learning  [#permalink]

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New post 04 Apr 2018, 03:54
IMO E.

A - irrelevant

B - it talks about hindering eye function, but to some extent seems like it a possible assumption. ( Hold)

C. Out of scope.

D. It is an inference. Hence, eliminate.

E. Yes. Negate this and the conclusion is completely destroyed. If some computers can help in stimulating wider depth of field then e - learning still could be an option and it does not impact vision.

Thus, between E and B, E is more specific.

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Re: It is true that students who do the majority of their learning  [#permalink]

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New post 04 Apr 2018, 06:46
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i marked C but later realized that B is better than C. argument (conclusion ) shatters on negating B
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Re: It is true that students who do the majority of their learning  [#permalink]

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New post 04 Apr 2018, 09:10
Yup what is the OA....lots of confusion between B and E.

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It is true that students who do the majority of their learning  [#permalink]

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New post 04 Apr 2018, 10:10
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It is true that students who do the majority of their learning on computer screens from a young age can be at a higher risk of developing myopia later in life, with the most significant risk being increased risk of degenerative myopia as a result of too much near-work. Classroom-based learning which does not involve computers represents the traditional alternative to the growing popularity of e-learning. It provides face-to-face “real-world” instruction, which allows students’ vision more depth-of-field variety as instruction occurs. Therefore, non-computer-based learning is a better alternative to e-learning for young students and their visual development.

Which of the following is an assumption upon which the argument depends?
Between B and E:

B- Eye function is hindered less by depth-of-field variety learning than by near-work.

E- Some computers cannot be programmed to stimulate wider depth-of-field at regular intervals to counter-balance any prolonged eye strain

E talks about some computers with the ability of depth-of-field while the conclusion talks about a broader comparison between these two techniques. E provides very little support to the conclusion because:
1. talks about 'some'----> Cannot be safely extrapolated to a broader conclusion.
2. E needs us to make another assumption that providing wider depth-of-field at regular intervals by 'some computers' affects the eyes in just the same way as done by non-computer-based learning.

B, on the other hand, points directly to the comparison.

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Re: It is true that students who do the majority of their learning  [#permalink]

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New post 08 Apr 2018, 05:26
Hi GMATNinja,
I am quite confused to choose between B and E. Can you please explain to me why B is better than E. I suppose both are assumptions. Though i agree B is strong assumption while E is weak support.

Thank you
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Re: It is true that students who do the majority of their learning &nbs [#permalink] 08 Apr 2018, 05:26
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