Critical Reasoning (CR) | Re: A medical journal used a questionnaire survey to determine whether

+ C.

We need to give the evidence that the journal's decision will have the desired effect? i.e readership would increase.

This option talks about the potential readers and it says the percentage of surveyed readers who like the format change was almost the same as the percentage of the entire potential readership
So if they the potential readers voted for this change their likelihood of reading the journal would be high once the changes are incorporated.

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