METHODS OF DATA COLLECTION
CONCEPT OF SAMPLING AND OTHER CONCEPTS RELATED TO SAMPLING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Convenience Sampling
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Snowball Sampling
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Purposive Sampling
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Accidental Sampling
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Detailed explanation-1: -No statistical method or calculation is needed. Purposive sampling exist because the researcher has a knowledge about his/her/their study population. For instance: I am studying journalists’ perception of artificial intelligence in the newsroom, and because I have a background in journalism.
Detailed explanation-2: -As a rule of thumb based on empirical experience of household food security surveys, between 50 and 150 households per reporting domain can be included in a purposive sample, and the following guidance applied.
Detailed explanation-3: -Random sampling Simple random sampling is the most basic form of probability sampling. It involves just one step, and each survey subject is selected independently from the other members of the population or sample frame.