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Is there an official explanation? Seems A & C are stronger than E
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OFFICIAL EXPLANATION



The National Train Company of Country X has decided to offer its employees a classical music appreciation course free of charge in order to increase productivity. The decision was reached after a study was published confirming the positive effects of classical music on the human psyche: facilitating improved stress management and inducing a feeling of tranquility.

Which of the following, if true, most seriously strengthens the National Train Company's conclusion?


(A) A newspaper article appearing in the science section states that classical music is more conducive to sleep than Pop, Rock and Roll and Rhythm & Blues.

Incorrect.

In this Conclusion Strengthening question, the argument begins with a conclusion:

    Conclusion: A classical music appreciation course will improve the employees' work.

    -- because --

    Premise: Classical music has a positive effect on people.

You are requested to strengthen the conclusion that classical music will improve the performance of the National Train Company's employees.

Putting employees to sleep weakens the conclusion that a classical music appreciation course will improve the employees work.



(B) The cost of the classical music appreciation course, per student, comes to 10% of the average monthly salary paid in the National Train Company.

Incorrect.

The cost of the music appreciation course is a consideration against it.



(C) A survey handed to students in 10 separate music appreciation courses shows that music appreciation courses affect the musical tastes of only 20% of participants.

Incorrect.

If the music appreciation courses affect only one in five, the conclusion that a classical music appreciation course will improve the employees work is weakened.



(D) Classical music appreciation courses are preferred by employees of large companies over Pop or House music appreciation courses.

Incorrect.

The popularity of classical music appreciation courses is irrelevant to the conclusion that a classical music appreciation course will improve the employees work.



(E) Classical music has been shown to have a positive effect on the digestive system, thus lowering the average days of sick leave among those who listen to it.

Lowering the average days of sick leave strengthens the conclusion that a classical music appreciation course will improve the employees work.

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