Cards (6)

  • What characterizes stratified sampling?
    Participants are obtained from identified subgroups
  • How is stratified sampling conducted?
    By identifying subgroups and their proportions
  • What is an example of stratified sampling?
    Obtaining participants from each subgroup proportionally
  • What is a strength of stratified sampling?
    It is free from researcher bias as they are selected randomly, and researcher has no input. Represents all subgroups.
  • What is a limitation of stratified sampling?
    It is difficult and time-consuming to implement

    It is difficult and a time-consuming task
    Subgroups identified cant reflect all the individual differences that exist between the target population.
    A truly representative sample would be extremely difficult to obtain using this technique.
  •  
    How would you work this out 
    Sample divided by population x subgroup