What is snowball sampling in qualitative research?
By Daniel Avila
What is snowball sampling in qualitative research?
Qualitative researchers can also use snowball sampling techniques to identify study participants. In snowball sampling, a researcher identifies one or two people they would like to include in their study but then relies on those initial participants to help identify additional study participants.
What is meant by snowball sampling?
In sociology and statistics research, snowball sampling (or chain sampling, chain-referral sampling, referral sampling) is a nonprobability sampling technique where existing study subjects recruit future subjects from among their acquaintances. Thus the sample group is said to grow like a rolling snowball.
Is snowball sampling qualitative or quantitative?
Snowball sampling is a commonly employed sampling method in qualitative research, used in medical science and in various social sciences, including sociology, political science, anthropology and human geography [1–3].
When and why is snowball sampling method used in research?
Therefore this method is also called the chain-referral sampling method. Snowball sampling is a popular business study method. The snowball sampling method is extensively used where a population is unknown and rare and it is tough to choose subjects to assemble them as samples for research.
Can snowball sampling be used in quantitative research?
Snowball subject recruitment can be used in both quantitative and qualitative research and relies on the social networks of the participants to gather people for the study.
Is snowball sampling valid?
Given the nature of snowball sampling, it is not considered a representative sample for statistical purposes. However, it is a very good technique for conducting exploratory research and/or qualitative research with a specific and relatively small population that is hard to identify or locate.
How is snowball sampling done?
The process of snowball sampling is much like asking your subjects to nominate another person with the same trait as your next subject. The researcher then observes the nominated subjects and continues in the same way until the obtaining sufficient number of subjects.
What kind of sampling is used in qualitative research?
The two most popular sampling techniques are purposeful and convenience sampling because they align the best across nearly all qualitative research designs. Sampling techniques can be used in conjunction with one another very easily or can be used alone within a qualitative dissertation.
What sampling methods are used in qualitative research?
Non-probability sampling techniques are often used in exploratory and qualitative research….Non-probability sampling methods
- Convenience sampling.
- Voluntary response sampling.
- Purposive sampling.
- Snowball sampling.
What kind of sampling is used in quantitative research?
Probability sampling
Probability sampling means that every member of the population has a chance of being selected. It is mainly used in quantitative research. If you want to produce results that are representative of the whole population, probability sampling techniques are the most valid choice.
