Astronauts who experience weightlessness frequently get motion sickness. The astronauts see their own motion relative to passing objects, but while the astronauts are weightless their inner ears indicate that their bodies are not moving. The astronauts’ experience is best explained by the hypothesis that conflicting information received by the brain about the body’s motion causes motion sickness.
Which one of the following, if true, provides the strongest additional support for the hypotheses above?
(A) During rough voyages ship passengers in cabins providing a view of the water are less likely to get motion sickness than are passengers in cabins providing no view. - CORRECT. Yes, conflicting info is given.
(B)
Many people who are experienced airplane passengers occasionally get motion sickness. - WRONG. Nothing as such is given about the conflicting nature of the info being given.
(C)
Some automobile passengers whose inner ears indicate that
they are moving and who have a clear view of the objects they are passing get motion sickness. - WRONG. No conflict in the info of ears and eyes.
(D) People who have aisle seats in trains or airplanes are as likely to get motion sickness as are people who have window seats. - WRONG. What about ears.!!!
(E)
Some astronauts do not get motion sickness even after being in orbit for several days. - WRONG. Exceptions that can't be relied upon.
True that experienced astronauts get motion sickness but how they get it is what crucial in this argument - as is the case with any CR passage. The reasoning is given in the last sentence - conflicting info from eyes and ears received in the brain. So, which one of the five options give us that. Only A gives.
Answer A.
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