Sampling Flashcards
Random sampling
Number generator or out of a hat
Systematic sampling
Every Nth of the ppt list
Stratified sampling
Make up sample reflects sample of population
Opportunity sampling
Ppt selected from who is available easily
Volunteer sampling
Ppt put themselves forward for the study
How to do random sampling
Collect names of ppt
Put in hat or generator
Pull out names
How to do systematic sampling
Assign every population a number
List the population in an order
Choose every Nth
How to do stratified sampling
Identify sun groups in population
Calculate proportion from each group
Select random sample for each subgroup
How to do opportunity sampling
Stand in convenient place
When someone who fits study is seen, ask them to participate
How to do volunteer sampling
Place poster in convenient place with sign up details
First x amount to sign up are ppt
