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In a famous experiment by Pavlov, when a dog smelled food,

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In a famous experiment by Pavlov, when a dog smelled food, [#permalink] New post 16 Feb 2005, 02:46
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A
B
C
D
E

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In a famous experiment by Pavlov, when a dog smelled food, it salivated. Subsequently, a bell was rung whenever food was placed near the dog. After a number of trials, only the bell was rung, whereupon the dog would salivate even though no food was present.

Which of the following conclusions may be drawn from the above experiment?

(A)Dogs are easily fooled.

(B)Dogs are motivated only by the sound of a bell

(C)The ringing of a bell was associated with food

(D)A conclusion cannot be reached on the basis of one experiment

(E)Two stimuli are stronger than one
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 [#permalink] New post 16 Feb 2005, 03:36
(C): The dog has associated with the ringing of the bell with food being present.
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 [#permalink] New post 19 Feb 2005, 01:10
Dear all, OA indeed is C.

But could anyone tell me how to eliminate B.
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 [#permalink] New post 19 Feb 2005, 07:02
chunjuwu wrote:
Dear all, OA indeed is C.

But could anyone tell me how to eliminate B.


(B) Dogs are motivated only by the sound of a bell

My Thought:

The argument NEVER says so or implies such. It rather points out that a bell was rung whenever food was placed near the dog. Rather than the sound of a bell, the signal may just have been the sound of a drum beat, or anything else. As a result, the 'only' used in choice B is way too extreme.

Hope this helps.
  [#permalink] 19 Feb 2005, 07:02
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In a famous experiment by Pavlov, when a dog smelled food,

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