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Studies have shown that levels of depression among those diagnosed

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Studies have shown that levels of depression among those diagnosed  [#permalink]

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New post Updated on: 08 Oct 2017, 06:45
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Studies have shown that levels of depression among those diagnosed with clinical depression actually increase in the springtime. The results of the studies were no different for subjects who spent most of their days outdoors than for those who stayed indoors. Researchers, once baffled by this finding, now hypothesize that seasonal changes in the mental health of the most severely depressed can be based on more than exposure to light.

Which of the following, if true, would most strengthen the researchers' hypothesis?

A. The same subjects evidence no change in mental health in the autumn when the amount of light is equivalent to that in spring.

B. As all people inherently believe that their health will improve in the spring, the unrealized expectation of improved health will often lead the most depressed to an even deeper level of depression.

C. Healthy subjects report feeling more alert and happy in the springtime as compared with the winter.

D. Seasonal-affective disorder (SAD) affects nearly one in ten people and can seriously interfere with an individual's work schedule and lifestyle habits.

E. Other scientists have demonstrated how over-exposure to sunshine can deplete the brain of the neurochemical seratonin and result in higher levels of depression.

Originally posted by Aj558 on 08 Oct 2017, 05:35.
Last edited by broall on 08 Oct 2017, 06:45, edited 1 time in total.
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Re: Studies have shown that levels of depression among those diagnosed  [#permalink]

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New post 08 Oct 2017, 05:52
1
B does not mention light yet it is right.
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Re: Studies have shown that levels of depression among those diagnosed  [#permalink]

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New post 08 Oct 2017, 14:21
P1 : Depression increases during spring. P2 : Depression same indoor and outdoors.
Conclusion : Depression therefore doesnt not depend on only exposure. I.e there is more than one cause for the effect.

Pre-thinking : Statement citing any other cause for the effect.

Therefore Answer B is right.
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Re: Studies have shown that levels of depression among those diagnosed  [#permalink]

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New post 09 Oct 2017, 10:06
Could anyone explain why is E wrong?
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Re: Studies have shown that levels of depression among those diagnosed  [#permalink]

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New post 10 Oct 2017, 02:31
Prashant10692 wrote:
Could anyone explain why is E wrong?


is n't E a weakener?

Argument trying to say another cause for the effect (depression), but E -> Other scientists say more exposure to light -> depression.
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Studies have shown that levels of depression among those diagnosed  [#permalink]

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New post 24 Oct 2017, 05:16
Prashant10692 wrote:
Could anyone explain why is E wrong?


Hi Prashant10692,

As explained in the post above this one, E weakens the author's point because it supports the idea that light is the main factor. We are looking for an alternative explanation, and B gives us that answer.

Studies have shown that levels of depression among those diagnosed with clinical depression actually increase in the springtime. The results of the studies were no different for subjects who spent most of their days outdoors than for those who stayed indoors. Researchers, once baffled by this finding, now hypothesize that seasonal changes in the mental health of the most severely depressed can be based on more than exposure to light.

Does this help?
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Studies have shown that levels of depression among those diagnosed &nbs [#permalink] 24 Oct 2017, 05:16
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