Difference between revisions of "Non-Probability Sampling"
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Latest revision as of 20:01, 27 August 2020
With Non-Probability Sampling respondents are sampled such that you cannot calculate the chance of inclusion. In this case you cannot claim you have statistical representation. Well conducted non-random surveys can still produce acceptable results. Example sample strategies are:
- Quota Sampling
- In quota sampling relevant properties for the population are determined. Items which share characteristics are then considered to be representative of the whole population.
- Judgmental Sampling
- No element of chance is used but 'bias' from the interviewer
- Snowball Sampling
- Move on from an initial starting place and ask there to ask more participants
- Convenience Sampling
- Sample is determined based on what is easy and cheap to obtain.
Part of: M7-Quantitative Decision Methods-S1 - Managing Data and Survey Methods
