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.

Why does the t-distribution change as N changes? What does this mean for the region of rejection?

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?

What does the confidence interval in SPSS tell us?

What is “effect size”?

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

What are the two kinds of research design in which we would use a paired-samples t-test? Be able to give/recognize examples of each.

What is counterbalancing? Why is it necessary?

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