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Tutor profile: Dustin S.

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Dustin S.
Experienced Tutor, Current Grad Student
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Questions

Subject: Psychology

TutorMe
Question:

Janice loves going out for ice cream after school. She knows that when she hears the final school bell at the end of the day, she can go out for ice cream. Therefore, she gets very excited when she hears the final school bell. In this example, the final school bell is acting as a... A.) Unconditioned response B.) Conditioned response C.) Unconditioned stimulus D. Conditioned stimulus

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Dustin S.
Answer:

The correct answer is D. In classical conditioning, the conditioned stimulus is the stimulus that becomes associated with another stimulus which invokes a natural reaction. In this example, ice cream is an unconditioned stimulus that elicits the unconditioned response of joy. The final school bell becomes associated with getting ice cream, and therefore elicits a similar response. Thus, the final school bell becomes a conditioned stimulus.

Subject: US History

TutorMe
Question:

Which of these wars was not fought in the 19th century? A.) Civil War B.) French and Indian War C.) Spanish American War D. Mexican-American War

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Dustin S.
Answer:

The answer is B.) French and Indian War. The 19th century refers to the 1800's. The Civil War lasted from 1861-1865, the Mexican-American War lasted from 1846-1848, and the Spanish American War took place entirely within the year 1898. The French and Indian War, also known as the Seven Years' War, lasted from 1756-1763, making it from the 18th century and not the 19th century. Therefore, B is correct.

Subject: ACT

TutorMe
Question:

Bob is currently twice as old as John. Six years ago, Bob was eight times as old as John. How old is John currently?

Inactive
Dustin S.
Answer:

For this question, we should set up a system of equations. Using the information we have, with b as Bob's current age and j as John's current age, we can set up these equations: 2j=b 8(j-6)=b-6 By substituting 2j in for b in the second equation, we can solve for John's current age. 8(j-6)=2j-6 8j-48=2j-6 6j=42 j=7 John is currently 7 years old.

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