Use these questions to study or to review your knowledge of research methods. You can find the answers to all of these questions in this research methods web site.

What is a hypothesis?

What is an operational definition? Can you create an operational definition of a variable such as “alcoholic beverage” or “aggression”?

What is the definition of a case study? What kind of research question is best addressed by a case study? What are the advantages and disadvantages of this method?

What is the definition of a questionnaire? What kind of research question is best addressed by  questionnaire research?

What are a “population” and a “random sample”?  What is one way to select a random sample?

What are the advantages and disadvantages of the questionnaire method?

What is the definition of a correlation? What kind of research question is best addressed by  a correlational study?

What is the definition of a positive correlation? Can you draw a scatterplot of a positive correlation between two variables?

What is the definition of  a negative correlation? Can you draw a scatterplot of a negative correlation between two variables?

How is a correlation reported? If you were given a group of correlation outcomes, how do you know which correlation is the strongest?

Is correlation a measure of cause?

What are the advantages and disadvantages of the correlation method?

What is the definition of an experiment? What kind of research question is best addressed by  an experiment?