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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
82% (01:43) correct
18%
(02:03)
wrong
based on 7923
sessions
History
Date
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Not Attempted Yet
An experiment was done in which human subjects recognize a pattern within a matrix of abstract designs and then select another design that completes that pattern. The results of the experiment were surprising. The lowest expenditure of energy in neurons in the brain was found in those subjects who performed most successfully in the experiments.
Which of the following hypotheses best accounts for the findings of the experiment?
(A) The neurons of the brain react less when a subject is trying to recognize patterns than when the subject is doing other kinds of reasoning.
(B) Those who performed best in the experiment experienced more satisfaction when working with abstract patterns than did those who performed less well.
(C) People who are better at abstract pattern recognition have more energy-efficient neural connections.
(D) The energy expenditure of the subjects brains increases when a design that completes the initially recognized pattern is determined.
(E) The task of completing a given design is more capably performed by athletes, whose energy expenditure is lower when they are at rest.
Which of the following hypotheses best accounts for the findings of the experiment?
(A) The neurons of the brain react less when a subject is trying to recognize patterns than when the subject is doing other kinds of reasoning.
(B) Those who performed best in the experiment experienced more satisfaction when working with abstract patterns than did those who performed less well.
(C) People who are better at abstract pattern recognition have more energy-efficient neural connections.
(D) The energy expenditure of the subjects brains increases when a design that completes the initially recognized pattern is determined.
(E) The task of completing a given design is more capably performed by athletes, whose energy expenditure is lower when they are at rest.
(E) The task of completing a given design is more capably performed by athletes, whose energy expenditure is lower when they are at rest than is that of the general population.
08 Aug 2008, 13:39
Kudos
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(A) The neurons of the brain react less when a subject is trying to recognize patterns than when the subject is doing other kinds of reasoning- No information is given about other kinds of reasoning. So, one cannot do a better comparison with something that is not given.
(B) Those who performed best in the experiment experienced more satisfaction when working with abstract patterns than did those who performed less well- We are not much concerned about the satisfaction of the people.
(C) People who are better at abstract pattern recognition have more energy-efficient neural connections- This is true. Since "lowest expenditure of energy in neurons in the brain was found in those subjects who performed most successfully in the experiments", it is quite possible that they have more energy efficient neurons.
(D) The energy expenditure of the subjects brains increases when a design that completes the initially recognized pattern is determined - This actually contradicts to what is being stated. "The lowest expenditure of energy in neurons in the brain was found in those subjects who performed most successfully in the experiments". Anyone who completes the design is successful.
(E) The task of completing a given design is more capably performed by athletes, whose energy expenditure is lower when they are at rest than is that of the general population- The lower energy expenditure of the athletes will not guarranty a sucessful completion with lower expenditure of energy by neurons. Out of scope.
Hence C. What is OA?
(B) Those who performed best in the experiment experienced more satisfaction when working with abstract patterns than did those who performed less well- We are not much concerned about the satisfaction of the people.
(C) People who are better at abstract pattern recognition have more energy-efficient neural connections- This is true. Since "lowest expenditure of energy in neurons in the brain was found in those subjects who performed most successfully in the experiments", it is quite possible that they have more energy efficient neurons.
(D) The energy expenditure of the subjects brains increases when a design that completes the initially recognized pattern is determined - This actually contradicts to what is being stated. "The lowest expenditure of energy in neurons in the brain was found in those subjects who performed most successfully in the experiments". Anyone who completes the design is successful.
(E) The task of completing a given design is more capably performed by athletes, whose energy expenditure is lower when they are at rest than is that of the general population- The lower energy expenditure of the athletes will not guarranty a sucessful completion with lower expenditure of energy by neurons. Out of scope.
Hence C. What is OA?
08 Aug 2008, 20:44
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The way I look at arguments is:
1) Try to understand the stem first.
2) Parse through the Premise and conclusion. Sometimes, the conclusion is not very obvious but burried somewhere in the stem. If you think, you cannot identify it (worst case), its ok as you will try to understand the argument once you read through the answer choices sometimes.
3) Try to think of an answer in your mind (before you look for one), atleast practice this way initially until you have a high hit rate.
4) Read through the answer choices and see if it matches what you are looked for. This may not work always. The other trick is to simultaneouly, use POE (Process of Elimination) technique.
I believe, that POE works very well with CR; atleast, you can narrow down the answer choices to two. Try this out on few problems and see if it works.....
Good luck cracking arguments...........
1) Try to understand the stem first.
2) Parse through the Premise and conclusion. Sometimes, the conclusion is not very obvious but burried somewhere in the stem. If you think, you cannot identify it (worst case), its ok as you will try to understand the argument once you read through the answer choices sometimes.
3) Try to think of an answer in your mind (before you look for one), atleast practice this way initially until you have a high hit rate.
4) Read through the answer choices and see if it matches what you are looked for. This may not work always. The other trick is to simultaneouly, use POE (Process of Elimination) technique.
I believe, that POE works very well with CR; atleast, you can narrow down the answer choices to two. Try this out on few problems and see if it works.....
Good luck cracking arguments...........
Isn't this a must be true question?? IMO it in someway asks what hypotheses can best be drawn from the above stimulus, moreover it doesn't have a conclusion just plain facts...
