Sampling
- Created by: Revisonf
- Created on: 04-01-14 17:10
View mindmap
- Sampling
- Is used when it is too expensive/ time consuming to question the whole population.
- A sample is usually selected from a sampling frame.
- If the sampling frame is inacurate it may make the sample unrepresentative for the whole population.
- EXAMPLE: If the sampling frame contains to main females, it would be difficult to generalise from the findings.
- Generalisation are general statements applied to the whole population.
- EXAMPLE: If the sampling frame contains to main females, it would be difficult to generalise from the findings.
- If the sampling frame is inacurate it may make the sample unrepresentative for the whole population.
- Probability sampling
- vs.
- Non-Probability sampling
- It is used when there is not sampling frame available.
- Snowball sampling
- Quota sampling
- It is used when there is not sampling frame available.
- Non-Probability sampling
- Each member of the sampling frame has a known chance of being selected.
- Random sampling
- Systematic sampling
- Stratified random sampling.
- vs.
Comments
No comments have yet been made