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C
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Difficulty:
85%
(hard)
Question Stats:
51% (02:10) correct
49%
(02:19)
wrong
based on 1043
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History
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At a large elementary school, researchers studied a small group of children who successfully completed an experimental program in which they learned to play chess. The study found that most of the children who completed the program soon showed a significant increase in achievement levels in all of their schoolwork. Thus, it is likely that the reasoning power and spatial intuition exercised in chess-playing also contribute to achievement in many other areas of intellectual activity.
Which one of the following, if true, most tends to undermine the argument?
A. Some students who did not participate in the chess program had learned to play chess at home.
B. Those children who began the program but who did not successfully complete it had lower preprogram levels of achievement than did those who eventually did successfully complete the program.
C. Many of the children who completed the program subsequently sought membership on a school chess team that required a high-grade average for membership.
D. Some students who did not participate in the chess program participated instead in after-school study sessions that helped them reach much higher levels of achievement in the year after they attended the sessions.
E. At least some of the students who did not successfully complete the program were nevertheless more talented chess players than some of the students who did complete the program.
LSAT
Which one of the following, if true, most tends to undermine the argument?
A. Some students who did not participate in the chess program had learned to play chess at home.
B. Those children who began the program but who did not successfully complete it had lower preprogram levels of achievement than did those who eventually did successfully complete the program.
C. Many of the children who completed the program subsequently sought membership on a school chess team that required a high-grade average for membership.
D. Some students who did not participate in the chess program participated instead in after-school study sessions that helped them reach much higher levels of achievement in the year after they attended the sessions.
E. At least some of the students who did not successfully complete the program were nevertheless more talented chess players than some of the students who did complete the program.
LSAT
14 Aug 2018, 10:30
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rinkumaa4
Conclusion says that the significant increase in achievement levels in all of their schoolwork is because of playing Chess that increased the students' reasoning power.
If there exists any other reason that warrants the increase in achievement levels , the conclusion is weakened.
C : Many of the children who completed the program subsequently sought membership on a school chess team that required a high-grade average for membership.
C says that many such students wanted a membership and to get that membership they are required to get higher grades, an alternative reason that explains the increase in achievement levels. So, in such a case, it is not the reasoning power due to playing chess , but personal motive of seeking membership that resulted in higher achievement levels.
General Discussion
14 Aug 2018, 05:55
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Really C? Hmm..C says that children required high average level to be enrolled in chess team. But high level can be a result of this programm right? Am i missing something?
Kindly help. 
