Review Questions

Reflect on your understanding by working through these review questions.

  1. Outline the steps involved in drawing up the following types of sample:
    • Simple random sample
    • Stratified sample
    • Cluster sample
    • Multi-stage cluster sample
    • Quota sample
    • Snowball sample
    • Volunteer sample
    • Maximum variation sample
    • Theoretical sample
  2. What is the difference between probability and non-probability sampling? When is each approach useful?
  3. What is the purpose of purposive sampling and when should you decide you have done enough of it?