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# A pharmaceutical company claims that its new drug promotes learning i

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A pharmaceutical company claims that its new drug promotes learning i  [#permalink]

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26 Feb 2016, 02:27
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A pharmaceutical company claims that its new drug promotes learning in children. To back up its claims, the company points to a study of 300 children who were given the drug, along with a control group of 300 children who were given a placebo. The 300 children who were given the drug reported that they were able to retain new information much more easily.

Which of the following statements, if true, would most tend to weaken the claims of the pharmaceutical company?

(A) The 300 children in the control group also reported that they were able to retain new information much more easily.

(B) The drug has also been shown to prevent common skin rashes.

(C) The drug has been proven to have severe side-effects.

(D) The children in the study were not given any other medications during the study.

(E) The children who were given the drug did better on cognitive measurement tests after the drug therapy than before.

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Re: A pharmaceutical company claims that its new drug promotes learning i  [#permalink]

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26 Feb 2016, 02:41
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My guess is A. If the placebo group reported better learning performance, the effect of the real drug could be a placebo effect too.
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Re: A pharmaceutical company claims that its new drug promotes learning i  [#permalink]

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26 Feb 2016, 03:42
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To weaken the statement we need to attack this assumption :

The medicine was solely responsible for the performance of the children.

A attacks the assumption. The medicine is thus not the sole reason.

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Re: A pharmaceutical company claims that its new drug promotes learning i  [#permalink]

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26 Feb 2016, 05:22
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(A) The 300 children in the control group also reported that they were able to retain new information much more easily. - Correct - If the children, who were given placebo, also were able to retain information then the study does not prove the effectiveness of the drug.

(B) The drug has also been shown to prevent common skin rashes. - Incorrect - Irrelevant

(C) The drug has been proven to have severe side-effects. - Incorrect - The drug may have a side effect, but we are concerned about the effectiveness of the drug to help retain more information.

(D) The children in the study were not given any other medications during the study. - Incorrect - Strengthener

(E) The children who were given the drug did better on cognitive measurement tests after the drug therapy than before. - Incorrect - Strengthener.

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Re: A pharmaceutical company claims that its new drug promotes learning i  [#permalink]

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26 Feb 2016, 05:50
carcass wrote:
A pharmaceutical company claims that its new drug promotes learning in children. To back up its claims, the company points to a study of 300 children who were given the drug, along with a control group of 300 children who were given a placebo. The 300 children who were given the drug reported that they were able to retain new information much more easily.

Which of the following statements, if true, would most tend to weaken the claims of the pharmaceutical company?

(A) The 300 children in the control group also reported that they were able to retain new information much more easily.

(B) The drug has also been shown to prevent common skin rashes.

(C) The drug has been proven to have severe side-effects.

(D) The children in the study were not given any other medications during the study.

(E) The children who were given the drug did better on cognitive measurement tests after the drug therapy than before.

We need to weaken the claim that the children were able to retain new information easily because of the drug.
This can be weakened by saying that either there were other factors involved or by saying that the children taking placebo had the same effect too.
Option A tells us that the children taking placebo also had the same effect, hence drug did not play a part.
Correct Option: A
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Re: A pharmaceutical company claims that its new drug promotes learning i  [#permalink]

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25 Sep 2018, 12:35
A pharmaceutical company claims that its new drug promotes learning in children. To back up its claims, the company points to a study of 300 children who were given the drug, along with a control group of 300 children who were given a placebo. The 300 children who were given the drug reported that they were able to retain new information much more easily.

C: drug promotes learning in children
WHY: because the control group said they were able to retain new info easily

Which of the following statements, if true, would most tend to weaken the claims of the pharmaceutical company?

(A) The 300 children in the control group also reported that they were able to retain new information much more easily. - CORRECT

(B) The drug has also been shown to prevent common skin rashes. - IRR

(C) The drug has been proven to have severe side-effects. - IRR

(D) The children in the study were not given any other medications during the study. - okay. might strengthen it

(E) The children who were given the drug did better on cognitive measurement tests after the drug therapy than before. - OPP
Re: A pharmaceutical company claims that its new drug promotes learning i   [#permalink] 25 Sep 2018, 12:35
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