RM sampling

Cards (15)

  • Random sampling strength:
    • Strength: free from researcher bias
  • random sampling weakness:
    • Weakness: time consuming and difficult to conduct 
  • random sample:
    • were all participants have an equal chance of being selected
  • Systematic sample 
    • every nth member of a target population is selected and a sampling frame is produced
  • systematic sample strength
    • Strengths: avoids researcher bias
  • systematic sample weakness:
    • Weakness: also difficult to achieve/ time consuming 
  • Stratified sample
    • the researchers identifies the different types of people that make up the target population and work out the proportion needed for sample to be representative 
  • Stratified sample Strength
    • Strength: avoids researcher bias and is representative of population 
  • Stratified sample
    • Weakness: is not perfect 
  • Opportunity sample
    • those people who are avalible at the time and willing to participate 
  • Opportunity sample
    • Strength: quick and convenient 
  • Opportunity sample
    • Weakness: unrepresentative of target population, researcher bias
  • Volunteer sample
    • participants put themselves forward to be a part of the sample
  • volunteer sample
    • Weakness: volunteer bias
  • Volunteer sample
    • Strength: less time consuming