A purposive sample, also referred to as a judgmental or expert sample, is a type of nonprobability sample the main objective of a purposive sample is to produce a sample that can be logically assumed to be representative of the population. Research, as people are constantly looked upon for knowl- the purposive sampling technique is a type of non-probability sampling that is most effective when one needs to study a certain cultural domain with knowledgeable experts within purposive sampling may also be used with both qualitative and quantitative re.
Market research is a common example of purposive sampling because these researchers look almost exclusively at people who use a particular product or use a specific store or company the main disadvantage of purposive sampling is that it is prone to researcher bias because the samples are taken from such a specific group. Purposeful sampling is widely used in qualitative research for the identification and selection of information-rich cases related to the phenomenon of interest although there are several different purposeful sampling strategies, criterion sampling appears to be used most commonly in implementation.
Alternatively, purposive sampling method may prove to be effective when only limited numbers of people can serve as primary data sources due to the nature of research design and aims and objectives. Explore the research methods terrain, read definitions of key terminology, and discover content relevant to your research methods journey.
The purpose of research can be a complicated issue and varies across different scientific fields and disciplines at the most basic level, science can be split, loosely, into two types, 'pure research' and 'applied research.
It is common to use this purposive sampling tech- nique in the early stages of a research process, when the researchers are seeking to become better informed about the topic at hand before. A purposive sample is a non-probability sample that is selected based on characteristics of a population and the objective of the study purposive sampling is also known as judgmental, selective, or subjective sampling. Explanatory research can even split apart and turn back into exploratory research with a new or unique finding for instance, there was a time in psychology that everyone who was anyone was a.
Purposive sampling starts with a purpose in mind and the sample is thus selected to include people of interest and exclude those who do not suit the purpose this method is popular with newspapers and magazines which want to make a particular point. Despite some drawbacks, purposive sampling is a thorough and useful tool that can be used in the field of research a careful consideration of focus group size, funding and research goals can help to determine which method of sampling will be most beneficial.