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types of sampling
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Types of sampling
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- Non Probability Sampling
Non Probability Sampling
Any sampling method where some elements of population have no chance of selection (these are coverage '/ ' under covered), or where the probability of selection can;t be accurately determined.
convenience sampling
convenience Sampling
Sometimes known as grab or opportunity sampling or accidental or haphazard sampling
snowball sampling
Snowball Sampling
It is where research participants recruit other participants for a test or study. It is used where potential participants are hard to find.
purposive sampling
Purposive Sampling
the researcher chooses the sample based on who they think would be appropriate for the study,
quota sampling
Quota Sampling
The population is first segmented into mutually exclusive sub-group , just an in stratified sampling.
Probability sampling
- Probability Sampling
scheme is one in which every unit in the population has a chance of being selected in the sample, and this probability can be accurately determined.