Double-blind techniques should be used whenever possible in

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Double-blind techniques should be used whenever possible in scientific experiments. They help prevent the misinterpretations that often arise due to expectations and opinions that scientists already hold, and clearly scientists should be extremely diligent in trying to avoid such misinterpretations.

Which one of the following most accurately expresses the main conclusion of the argument?

A) Scientists' objectivity may be impeded by interpreting experimental evidence on the basis of expectations and opinions that they already hold.
B) It is advisable for scientists to use double-blind techniques in as high a proportion of their experiments as they can.
C) Scientists sometimes neglect to adequately consider the risk of misinterpreting evidence on the basis of prior expectations and opinions.
D) Whenever possible, scientists should refrain from interpreting evidence on the basis of previously formed expectations and convictions.
E) Double-blind experimental techniques are often an effective way of ensuring scientific objectivity.

What's the best approach to determine the answer? Can any experts help?
Source: — Critical Reasoning |

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by elias.latour.apex » Mon Jan 01, 2018 5:47 pm
This is an LSAT question of a type that has no equivalent on the GMAT test. No GMAT question asks you to summarize the conclusion of an argument.

On the GMAT test, the conclusions are not hidden. They are generally prefaced by indicator words such as therefore, hence, thus, clearly, etc.
They often contain modal verbs. They are supported by premises. Those premises can be identified by asking the question: Why? and finding the parts of the argument that support the conclusion.

In this case, the first sentence of the passage is the conclusion. It contains the modal should, and is supported by the rest of the argument.

(B) is the credited response.
Elias Latour
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