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Tutor profile: Lucy W.

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Lucy W.
Bronx Science Graduate
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Questions

Subject: Psychology

TutorMe
Question:

In a study, a high pitched noise is played if a rat passes a certain point in its enclosure. To get the noise to stop, the rat must return to where it came from. What type of operant conditioning is this an example of?

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Lucy W.
Answer:

This is an example of negative reinforcement, because the negative condition (the noise) is removed once the rat stops the unwanted behavior (goes back where it belongs).

Subject: English

TutorMe
Question:

Identify the error in the following sentence: While running for the bus, my wallet was lost.

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Lucy W.
Answer:

The error in the sentence is a dangling modifier: while it is assumed that a person and not a wallet was running for the bus, the sentence would be clearer if it read "I lost my wallet while running for the bus."

Subject: Algebra

TutorMe
Question:

If 4 people are planning on equally sharing a cake that is already 5/8ths gone, how much cake will each person get?

Inactive
Lucy W.
Answer:

0.09375. If 5/8ths of the cake is already gone, there are 3/8ths of the cake left. 3/8 divided by 4 is the same as 3/8 * 1/4, which is 3/32, or 0.09375.

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