1
Q
Stratified
A
Population divided then randomly sampled from within each category
2
Q
Quota
A
Deliberate setting of amount in strata regardless of reality on population
3
Q
Purposive
A
Non representative subset of larger population created to serve a purpose
4
Q
Convenience
A
Easy and available
5
Q
Snowball
A
Picking up along the way
6
Q
Random
A
Equal likelihood of selection
