Describe what sampling is, and evaluate why it is an important part of conducting research.
Compare populations, samples, and censuses. Summarize how they are related, and the advantages and disadvantages of each.
Identify and describe the different types of units of analysis, and provide examples of each. Contrast units of analyses with units of observation.
Evaluate the differences between probability and nonprobability sampling. Be able to describe the advantages and disadvantages of each. Also, evaluate the different types of probability and nonprobability sampling approaches available to researchers.
Summarize the considerations that go into deciding how large a sample is needed when conducting research. Identify what problems arise when a researcher uses a sample that is too large or too small?
Summarize the ecological fallacy, and provide examples. Be able to provide examples of the problems associated with committing the ecological fallacy.
