Sampling Flashcards
1
Q
what are the 5 different types of samples
A
- random
- systematic
- stratifies
- opportunity
- volunteer
2
Q
what is random sampling
A
- selected randomly through the lottery method
3
Q
what is systematic sampling
A
- when every nth member of the target population is selected
4
Q
what is a stratified sample
A
- the composition of the sample reflects the proportion of people in certain sub groups within the population/wider population
5
Q
what is an opportunity sample
A
- anyone who is willing and available
- e.g. asks people in the street
6
Q
what is a volunteer sample
A
- participants selecting themselves
- known as self-selection.
