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Snowball sampling is a non-probability sampling method where new units are recruited by other units to form part of the sample. Snowball sampling can be a useful way to conduct research about people with specific traits who might otherwise be difficult to identify (e.g., people with a rare disease).
Snowball sampling, also known as chain-referral sampling, is a non-probability sampling method where currently enrolled research participants help recruit future subjects for a study. Snowball sampling is often used in qualitative research when the population is hard-to-reach or hidden.
In sociology and statistics research, snowball sampling[1] (or chain sampling, chain-referral sampling, referral sampling[2][3]) 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.
Snowball sampling or chain-referral sampling is defined as a non-probability sampling technique in which the samples have rare traits. This is a sampling technique, in which existing subjects provide referrals to recruit samples required for a research study.
Snowball sampling involves asking initial participants to refer others who they know and who meet the criteria for the study, which creates a “snowball” effect as the sample size grows. The purpose of snowball sampling is to gain insights into populations or phenomena that may be difficult to access through traditional sampling methods.
Snowball sampling (also known as chain-referral sampling) is a non-probability (non-random) sampling method used when characteristics to be possessed by samples are rare and difficult to find.
Snowball sampling is an exampling of a non-probability sampling method, which means that not every member in a particular population has an equal probability of being selected for a study.
Use the snowball sampling method when working with a population that is difficult to find. For example, use it for projects that work with criminals, drug addicts, undocumented workers, have a severe social stigma, involves a sensitive topic, or a rare condition.
Snowball sampling is a non-probability sampling method used in qualitative and social science research to gather data from hard-to-reach or specialized populations.
Snowball sampling is a technique in which initially identified members of a population help the researcher identify and locate others.