Sampling Flashcards
1
Q
Types of sampling
A
- Opportunity- p’s are easily accessible and ready to take part in the research
- Random – all p’s from the sample frame are picked randomly
- Volunteer – P’s reply to a request/ advertisement
- Stratified – P’s are split into groups and the representatives of groups are selected
- Systematic – All p’s are in a database
1
Q
ADV and DIS Opportunity sampling
A
- Convenient
- Unlikely to have population validity, because p’s are a certain group of people
2
Q
ADV and DIS Random sampling
A
- Eliminates researcher bias
- May not get a truly representative sample
3
Q
ADV and DIS Volunteer sampling
A
- Takes away problem of ethics
- Biased sample
4
Q
ADV and DIS Stratified sampling
A
- More likely to get a truly representative sample
- Time consuming
5
Q
ADV and DIS Systematic sampling
A
- Unlikely to have a biased sample
- Requires a complete list of target population ( may not be accessible )
