Define and give/recognize an example of a random sample.

Define and give/recognize an example of a convenience sample.

Why/when would researchers use a  random sample? Use a convenience sample? (What are the pros and cons of each?)

When doing an experiment, what is random assignment? Why do experimenters use random assignment?

How do we symbolize “probability”?

How do you define the probability of a given event?

What are independent vs. dependent events? Can you give an example of each?

What are the null hypothesis and the alternative hypothesis? Be able to explain how we use each in research. Give/ recognize an example of each.

What happens after analyzing the data from a study? What decision does the researcher make?

Define and give an example of a Type I error.

Define and give an example of a Type II error.

Why are Type I errors likely more common in published research than Type II errors are?

 

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