Sampling
- Created by: balloonhipster
- Created on: 29-05-20 13:19
View mindmap
- Sampling
- Random
- All members of a target pop have an equal chance of being selected
- e.g. picking names from a hat
- Evaluation
- Free from researcher bias
- May not be representative
- Time-consuming
- All members of a target pop have an equal chance of being selected
- Systematic
- When every nth member of the population is selected
- e.g. 5th student on a school register
- Evaluation
- Avoids researcher bias
- Fairly representative
- When every nth member of the population is selected
- Stratified
- The composition of the sample reflects the proportions of people in sub-groups
- Evaluation
- Avoids researcher bias
- Can be generalised
- Not representative
- Volunteer
- Participants select themselves
- Evaluation
- Easy to create and less time-consuming
- Volunteer Bias
- May only attract 'helpful' people
- Not representative
- May only attract 'helpful' people
- Opportunity
- Anyone who is willing and fits
- Evaluation
- Convenient
- Not representative
- Can't be generalised
- Researcher Bias
- Random
Comments
No comments have yet been made