Applied Statistics - 1.3 - Non-random Sampling Flashcards
(5 cards)
1
Q
What is Oppurtunity Sampling?
A
Consists of taking the sample from people who are available at the time the study is carried out and who fit the criteria you are looking for
2
Q
What is Quota Sampling?
A
How many members of each group you wish to sample is decided in advance and opportunity sampling is used until you have a large enough sample for each group
3
Q
What are 2 advantages of Quota and Oppurtunity?
A
- Quick and cheap
- No sampling frame needed
4
Q
What are 2 disadvantages of Quota and Oppurtunity?
A
- High bias risk
- Can miss key subgroups
5
Q
A
