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# Mckinley: A double blind study, in which neither the patient nor the

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Math Expert
Joined: 02 Sep 2009
Posts: 59622
Mckinley: A double blind study, in which neither the patient nor the  [#permalink]

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04 Oct 2019, 01:05
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Difficulty:

95% (hard)

Question Stats:

31% (02:08) correct 69% (01:57) wrong based on 193 sessions

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Mckinley: A double blind study, in which neither the patient nor the primary researcher knows whether the patient is being given the drug being tested or placebo, is the most effective procedure for testing the efficacy of a drug. But we will not be able to perform such a study on this new drug, since the drug will have various effects on the patients' bodies, which will make us aware of whether the patients are getting the drug or a placebo.

Engle: You cannot draw that conclusion at this point, for you are assuming you know what the outcome of the study will be.

Engle's statement indicates that he is most likely interpreting McKinley's remarks to be

A. presuming that a double blind study is the only effective way to test new drugs
B. denying that the drug will be effective
C. presuming that the placebo will produce no effects whatever on the patient's bodies
D. referring to the drug's therapeutic effects rather that to any known side effects
E. based on confusion about when a drug is efficacious

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Joined: 05 Sep 2019
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Re: Mckinley: A double blind study, in which neither the patient nor the  [#permalink]

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11 Nov 2019, 14:58
Can anyone explain why choice 'C' is incorrect?
When McKinley suggests that the drug would cause various effects in a patient's body, isn't he inferring that placebo might not cause any effects in a patient. Thereby, making it easy to identify the patients who were given the new drug ?
Intern
Joined: 03 May 2018
Posts: 5
Re: Mckinley: A double blind study, in which neither the patient nor the  [#permalink]

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12 Nov 2019, 03:51
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Re: Mckinley: A double blind study, in which neither the patient nor the   [#permalink] 12 Nov 2019, 03:51
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