Sampling Methods| Non-representative Flashcards
methods that are not possibly able to be representative.
1
Q
Snowball sampling?
A
Collect sample by catching individuals so they can pass it on to others.
2
Q
Advantages of snowball?
A
Able to contact those who are difficult to find such as criminals.
Cheap.
3
Q
Disadvantages of snowball?
A
Reliance on referrals can lead to bias; harder to identify the statistical significance of the data.
4
Q
Opportunity sampling?
A
Choosing individuals such as those in the street and public areas.
5
Q
Advantages of opportunity?
A
Quick, easy and accessible.
6
Q
Disadvantages of opportunity?
A
Sampling bias; lack validity.
May impact results and data; not representative of target population.
