Sampling

• What is quota sampling good for researching?


  Where you need views from a specific target group so like market research
• What is snowball snapping good for researching?


  It’s good to research criminal subcultures
• what is opportunity sampling good for researching?


  good for research linked to a specific event or location like a protest
• what is stratified sampling good for researching?

  good for any large scale research like questionnares
• what is simple random sampling good for researching?


  It’s good for researching education as you have a sampling frame like a register.
• what are some advantages of simple random sampling?

  • Quick and easy
  • Everyone gets an equal chance
• what are some disadvantages of simple random sampling ?

  • not representative
  • not relevant for hard to reach groups like victims of domestic abuse
• what are some advantages of systematic sampling?

  • quick but not as quick as simple random sampling
  • lack of bias
• what are some disadvantages of systematic sampling ?

  • not representative
  • Not relevant for hard to reach groups
• what are some advantages of quota sampling?

  • quick and cheap depending on availability
  • Let’s researcher choose relevant participants
• what are some disadvantages of quota sampling?

  • Not representative
  • Bias from researcher
• what are the advantages of snowball sampling ?

  • access to hard to reach groups like drug users
  • don’t need to gather names yourself
  • higher response rate
• what are the disadvantages of snowball sampling?

  • not representative
  • bias as choice of person relies on the the judgement of the researcher
  • may run out of sample
• What are the advantages of opportunity sampling ?

  • Quick cheap and easy
  • Sampling frame is not needed
  • Higher response rate
• what are the disadvantages of opportunity sampling ?

  • not representative
  • biased as choice relies on the judgement of the researcher
  • may run out of sample
• what are the advantages of stratified sampling ?

  • Non biased
  • Representative
• what are the disadvantages of using stratified sampling?

  • time consuming
  • Smaller categories might still lack representativness