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Re: Companies X and Y have the same number of employees working the same [#permalink]
Option D

­A: No. This talks only about X. This does not imply that Y restricts employees from taking sick leave for sick family members.
B: No. Availability of dental insurance not related to health
C: No. Gives information only about X. Also, the availability of gym membership is not directly related to health

D: Correct. Y uses a newer system for keeping records of sick days than X. This could mean that the comparison of sick days was made with incomplete data. This seriously weakens the conclusion.

E: No. Just a statement. Neither strengthens nor weakens
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Re: Companies X and Y have the same number of employees working the same [#permalink]
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IMO A, only option Weaken the conclusion compared to other options.

About option D, Company Y uses a newer system for keeping records of sick days - without any additional information we can't weaken the conclusion.
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Re: Companies X and Y have the same number of employees working the same [#permalink]
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Option A

Conclusion: employees of company Y are healthier than the employees of company X.
Weaken
Since it is cause relation
Weaken by bringing a new explanation leading to the conclusion

Clear A­
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Re: Companies X and Y have the same number of employees working the same [#permalink]
Expert Reply
Bunuel wrote:
­Companies X and Y have the same number of employees working the same number of hours per week. According to the records kept by the human resources department of each company, the employees of company X took nearly twice as many sick days as the employees of company Y. Therefore, the employees of company Y are healthier than the employees of company X.

Which of the following, if true, most seriously weakens the conclusion above?

(A) Company X allows employees to use sick days to take care of sick family members.
(B) Company Y offers its employees dental insurance and company X doesn’t.
(C) Company X offers its employees a free membership to the local gym.
(D) Company Y uses a newer system for keeping records of sick days.
(E) Both companies offer two weeks of sick days per year.
­



OFFICIAL EXPLANATION:



A. This critical-reasoning question asks you to weaken the conclusion that the employees of company Y are healthier than the employees of company X. The author draws the conclusion that Y’s employees are healthier than X’s employees based on the cause-andeffect argument that more sick days mean sicker employees.

To weaken cause-and-effect arguments, look for an answer choice that shows another cause is possible for the effect.

Choice (E) doesn’t distinguish between the two companies. It can’t show another cause for the different number of sick days and, therefore, can’t be right. Choice (D) differentiates between the two companies’ record-keeping, but it doesn’t explain how company Y’s new records system accounts for fewer sick days. Dental insurance shouldn’t affect the number of sick days, so Choice (B) doesn’t work. Choice (C) doesn’t address the issue of company X’s greater number of sick days, so free gym memberships don’t matter. The best answer is Choice (A) because it provides a reason other than employee health for the greater number of sick days that company X’s employees take.­
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Re: Companies X and Y have the same number of employees working the same [#permalink]
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