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# Tutor profile: Lucy W.

Inactive
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?

Inactive
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.

Inactive
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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