When do we use a z-test? When do we use a single-sample t-test?

Name, describe, and give/recognize an example of the three kinds of t-tests.

When do we use a 1-tailed test? When do we use a 2-tailed test? Be able to give/recognize examples of each kind of experiment/hypothesis.

In a one-sample experiment, what is the null hypothesis? What is the research hypothesis?

Be able to run a one-sample t-test in SPSS and correctly read/interpret the output file.

When is t significant?

What does the confidence interval in SPSS tell us? Be able to report and explain this.

What is “effect size”? What are the guidelines for small, medium, and large effect size? Be able to report and explain this.

Be able to perform and interpret any SPSS procedures that we do for this chapter.