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Critical Reasoning (CR) | Re: A fourteen-year study of finches on the Galapagos islands concluded th

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GMATNinja DmitryFarber

While I understand why all the other options are wrong, I still need some clarification for option B. The word "lengthy period" can lead to a mild scope shift, thereby making the statement not exactly function as an assumption. Let me explain:

The negation of the statement would read, "A lengthyperiod of rainy weather results in equal ormore large, hard seeds being produced". This may not be the case when the rainy seasons aren't lengthy or are normal, where the reported correlation still may be holding true.

Secondly, there is no guarantee that "the lengthy period" would be short enough for the existing large finches to stay alive. Maybe they died by then.

Can you please explain what I am missing? I can try explaining further if the argument isn't clear enough. Thanks in advance!
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Statistics : Posted by JOSH1967 • on 22 Sep 2017, 08:13 • Replies 19 • Views 10829



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