Chapter Questions
What is the difference between probability and non-probability sampling?
What is the meaning of (a) convenience sampling and (b) judgmental sampling?
What are the benefits of using simple random sampling?
What is a stratified sample? What criteria are used to form strata for stratified sampling?
What elements influence the correct sample size?
Describe the two-stage cluster sampling procedure. What is the main distinction between cluster sampling an stratified sampling?
Which is the most cost-effective and least time-consuming sampling technique? What are its main limitations?
How might you select, step by step, (a) a sample of 200 visitors at Madame Tussaud's; and (b) a sample of local and international hotel managers to compare their salaries?
What is the difference between theoretical and judgmental (purposive) sampling?
In which cases would maximum variation sampling be more appropriate?