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Multiple Choice Quiz
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1
When Larry watches professional football games on television, he notices that the number of penalties tend to increase as the game nears its end. Larry has observed a _____ correlation.
A)negative
B)positive
C)causal
D)strong
2
Marita does not believe in the adage, "There is safety in numbers." She knows that when many people observe an accident, the victim is less likely to receive assistance. Marita believes that there is a _____ correlation between these variables.
A)small
B)large
C)negative
D)positive
3
When Paul uses more expensive fuel in his car, he finds that he can drive more miles for each gallon of gas than when he uses cheaper fuel. This example highlights a _____ correlation.
A)causal
B)weak
C)negative
D)positive
4
You believe that there is a weak relationship between your height and the grades you earn in your psychology course. Which of the following pieces of evidence would support your belief?
A)A positive correlation coefficient.
B)A negative correlation coefficient.
C)A correlation coefficient close to 0.0.
D)A correlation coefficient close to 1.0.
5
A politician makes the following claim in a speech: "Correlational research has clearly shown that a lack of education causes people to turn to a life of drugs." What is wrong with this politician's claim?
A)Correlational research does not prove that one variable causes another.
B)The data to which the politician referred was based on a small sample size.
C)The politician misinterpreted the direction of the correlation.
D)It would be unethical to conduct correlational research on people's drug use.





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