Sampling techniques

• What are the strengths and weaknesses of different sampling methods?

  Random Sampling:

  • Strength: Free from researcher bias
  • Limitation: May create a biased sample

  
  

  Systematic Sampling:

  • Strength: Free from researcher bias
  • Limitation: May create a biased sample

  
  

  Opportunity Sampling:

  • Strength: Quick and easy
  • Limitation: May not be representative

  
  

  Volunteer Sampling:

  • Strength: Easier recruitment
  • Limitation: Can lead to biased samples

  
  

  Stratified Sampling:

  • Strength: Represents all subgroups
  • Limitation: Difficult and time-consuming