Learning Objectives

After reading this chapter, you should be able to:

1. Identify the direction and strength of a linear correlation between two factors.

2. Compute and interpret the Pearson correlation coefficient and the coefficient of determination, and test for significance.

3. Identify and explain three assumptions and three limitations for evaluating a correlation coefficient.

4. Delineate the use of the Spearman, point-biserial, and phi correlation coefficients.

5. Distinguish between a predictor variable and a criterion variable.

6. Compute and interpret the method of least squares.

7. Identify each source of variation in an analysis of regression, and compute an analysis of regression and interpret the results.

8. Compute and interpret the standard error of estimate.

9. Summarize the results of a correlation coefficient and linear regression in APA format.

10. Compute the Pearson, Spearman, point-biserial, and phi correlation coefficients using SPSS.

11. Compute an analysis of regression using SPSS.