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10 MARCH 2013

Purposive / judgmental / selective / subjective research sampling

"To say you will engage in purposive sampling signifies that you see sampling as a series of strategic choices about with whom, where and how to do your research. Two things are implicit in that statement. First is that the way that you sample has to be tied to your objectives. Second is an implication that follows from the first, i.e., that there is no one 'best' sampling strategy because which is 'best' will depend on the context in which you are working and the nature of your research objective(s).

Purposive sampling is virtually synonymous with qualitative research. However, because there are many objectives that qualitative researchers might have, the list of 'purposive' strategies that you might follow is virtually endless, and any given list will reflect only the range of situations the author of that list has considered."

(Ted Palys, 2008)

Palys, T. (2008). "Purposive Sampling". The SAGE Encyclopedia of Qualitative Research Methods. Lisa M. Given. London, SAGE Publications, Inc. 1&2.


criterion sampling • critical case sampling • deviant case sampling • disconfirming case sampling • extreme case sampling • judgement of the researcher • judgmental sampling • maximum variation sampling • negative case sampling • non-probability sampling • non-probability sampling technique • paradigmatic case sampling • purposive sampling • purposive selection • purposive strategies • qualitative research • qualitative researchers • researchresearch design • research objectives • sample sizesampling • sampling strategy • sampling techniques • selective sampling • stakeholder sampling • strategic choices • subjective sampling • Ted Palys • theory-guided sampling • typical case sampling


Simon Perkins

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