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Critical Reasoning (CR) | Dietary researcher: A recent study reports that laboratory animals tha

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SHSAHOO wrote:

GMATNinja , Could you please explain this it to me why A notC?
 

­First, let's review theargument:
  • In the lab, we had two groups of mice: Group A was fed reduced-calorie diets while Group B's caloric intake was not reduced. Group A lived longer, and some doctors concluded that reducing calories in human diets could increase humanlifespans.
  • But the dietary researcher disagrees: the researcher notes that Group A's "reduced" diet actually represented a natural/optimal diet for animals in their natural habitats and that Group A's "increased" life spans were actually just "normal" lifespans.
  • In other words, the researcher is pointing out that the study did NOT involve (1) mice eating a natural/optimal diet and (2) mice eating LESS than natural/optimal. Instead, it involved (1) mice eating a natural/optimal diet and (2) mice eating MORE than natural/optimal. So even though the study does suggest that eating MORE than natural/optimal is bad, it does NOT
    ...

    Statistics : Posted by GMATNinja • on 07 Jan 2010, 22:36 • Replies 10 • Views 8353



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