Which of the following correlation coefficients indicates the strongest relationship?

Which of the following correlation coefficients indicates the strongest relationship?

A. .50
B. .20
C. 0
D. .60

Question 2

Which of the following does a correlation coefficient not tell us?

A. If the difference between two means reflects a real difference or can be attributed to chance fluctuation.
B. The strength of a relationship between two measures.
C. The direction of a relationship between two measures.
D. How well a score on one measure can be predicted by a score on another.

Question 3

Tony found in his study of introversion that the more introverted subjects in his sample had fewer problems at work. Tony has found evidence for a

A. cause of work-related satisfaction.
B. statistically significant positive correlation.
C. statistically significant negative correlation.
D. a nonmanipulated independent variable.

Question 4

Statistical tests of significance provide a yes or no answer to which question?

A. Is there a correlation between variable X and variable Y?
B. Does the treatment cause changes in behavior?
C. Is the difference in the treatment conditions due to chance?
D. None of the above

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Which of the following correlation coefficients indicates the strongest relationship?

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