Identifying Snowball Sampling Technique
The question describes a specific method for participant recruitment in research. This technique involves the researcher initially identifying and contacting a small number of relevant individuals. These initial participants are then asked to refer the researcher to other potential participants who meet the study's criteria.
Understanding the Method
This referral-based approach is the defining characteristic of snowball sampling. It is particularly useful when the target population is hard to find or access directly.
- Initial Contact: Researcher finds a few key individuals.
- Referrals: These individuals suggest others they know who fit the profile.
- Chain Reaction: The process continues, like a snowball rolling downhill, gathering more participants.
Why it's Snowball Sampling
The core idea is using the existing network of the initial contacts to expand the sample size. This differentiates it from other methods:
- Convenience sampling involves selecting participants who are readily available.
- Quota sampling aims to fill pre-determined quotas for specific subgroups.
- Stratified random sampling involves dividing the population into strata and randomly selecting from each.
The described method of using initial contacts to find subsequent contacts aligns directly with the definition of snowball sampling.
Important Questions from Methods of sampling - Teaching
- Which of the following holds true to probability sampling in any research design?
A. Every item of the universe has equal chance of inclusion
B. There is always the danger of bias
C. Sample has same composition and characteristic as that of universe
D. Sample selection is based on researcher's convenience
E. Individual units can be selected by lottery method
Choose the most appropriate answer from the options given below : - Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Probability sampling is appropriate for quantitative research.
Reason R: Probability sampling helps in reducing bias in the selection of samples.
In the light of the above statements, choose the most appropriate answer from the options given below - The equiprobability of selection to every unit in a universe refers to _________
- In case study research the most common form of sampling is -
Arrange the following steps of Sampling Design Process in correct order :
A. Determine the sample size
B. Select a sampling technique
C. Selection of sampling frame
D. Target Population definitions
Choose the correct answer from the options given below :
