Sampling techniques
- Created by: z_mills1
- Created on: 12-05-14 21:16
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- Sampling techniques
- Random
- every member of the target group has an equal chance of being selected for the sample
- Advantages
- random sampling is 'fair'
- sample is likely to be representative
- Disadvantages
- takes more time and effort than other methods
- doesn't guarantee a representative sample
- Opportunity
- when the researcher samples whoever is available and willing to be studied
- Advantages
- quick and practical way of getting a sample
- Disadvantages
- sample is unlikely to be representative of a target group or population as a whole
- can't generalise the findings of the research
- sample is unlikely to be representative of a target group or population as a whole
- Volunteer
- when people actively volunteer to be in a study by responding to a request for pp's advertised by the researcher e.g. newspaper
- Advantages
- allows access to a variety of participants - may make sample more representative and allow for more accurate results
- Disadvantages
- sample is biased because some people are more likely to volunteer than others
- findings cannot be generalised to population
- sample is biased because some people are more likely to volunteer than others
- Random
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