Problem
A. Describe three reasons why sampling is used in research.
B. What is the difference between probability and non-probability sampling methods?
C. Define simple random sampling, stratified random sampling, snowball sampling and availability sampling.
D. Define your research proposal's unit of analysis.
E. Describe the three criteria for identifying a causal explanation.
F. What are the three criteria of a true experiment?
G. How do non-experimental research designs reduce the risk of spuriousness?
H. Why are longitudinal designs useful in determining causal effects?
I. What distinguishes an experimental design from a quasi-experimental design?