 | Chapter Objectives (See related pages)
Studying this chapter should enable you to:
Explain what is meant by the term "inferential statistics." |
 |  |  | Explain the concept of sampling error. |
 |  |  | Describe briefly how to calculate a confidence interval. |
 |  |  | State the difference between a research hypothesis and a null hypothesis. |
 |  |  | Describe briefly the logic underlying hypothesis testing. |
 |  |  | State what is meant by the terms "significance level" and "statistically significant." |
 |  |  | Explain the difference between a one- and a two-tailed test of significance. |
 |  |  | Explain the difference between parametric and nonparametric tests of significance. |
 |  |  | Name three examples of parametric tests used by educational researchers. |
 |  |  | Name three examples of nonparametric tests used by educational researchers. |
 |  |  | Describe what is meant by the term "power" with regard to statistical tests. |
 |  |  | Explain the importance of random sampling with regard to the use of inferential statistics. |
|