How to solve XAT 2019 Question 24?

This question can be solved by applying the core concept explained in the solution above, followed by step-by-step calculation and elimination of options.

Which concept is tested in this question?

This question tests fundamental concepts commonly asked in XAT exams.

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XAT 2019 Question 24

This is a detailed step-by-step solution for XAT 2019 Question 24. Understand the concept, common mistakes, and expert tips to solve similar questions in XAT exam.

XAT

From the passage, it is clear the that double-blind, placebo-controlled clinical trial is unbiased, gives no chance for the clinician to choose patients nor does the patient know if he is getting the drug or the placebo and moreover it reflects the calculus exemplified by the deli-counter episode. In no way does this trial increase the overall efficiency of the drug. So the correct answer is A.

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