Test Yourself
Take this quiz and see how you do. Select the correct answers by using the drop down menus. Once you are done, click submit to see your score! The ones that you get wrong will have a check!
1. Your predictor variable should be plotted on the y-axis.
-- Choose an answer --
a. True
b. False
2. "The lower a participant´s self-esteem, the lower the participant´s grade point average is likely to be " describes a ____ correlation.
-- Choose an answer --
a. Negative
b. Positive
3. The correlation between height and weight is
-- Choose an answer --
a. Positive
b. Negative
4. "The lower a participant´s self-esteem, the higher the participant´s grade point average is likely to be " describes a ____ correlation.
-- Choose an answer --
a. Negative
b. Positive
5. The correlation between conscientiousness and absences is probably
-- Choose an answer --
a. Positive
b. Negative
6. A zero correlation is stronger than a negative correlation.
-- Choose an answer --
a. True
b. False
7. If a line through a scatterplot slopes upward the correlation is
-- Choose an answer --
a. Negative
b. Positive
8. The more scatter in a scatterplot, the closer the correlation will be to zero.
-- Choose an answer --
a. True
b. False
9. The weaker the relationship, the more negative the correlation coefficient will tend to be.
-- Choose an answer --
a. True
b. False
10. If the correlation coefficient is 1, the coefficient of determination will be 1.00.
-- Choose an answer --
a. True
b. False
11. A correlation of -.50 is stronger than a correlation of +.30.
-- Choose an answer --
a. True
b. False
12. A correlation of +.20 can be used to greatly improve the accuracy of predictions.
-- Choose an answer --
a. True
b. False
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