Answer:
Accidental sampling
Explanation:
Accidental sampling: Accidental sampling is also known as convenience, grab, or opportunity sampling.
This is a type of non-probability sampling, that includes proceeding with a population sample that is available at the moment or close at hand, instead of carefully obtained and determined. The accidental sampling is most benefited for pilot testing.
Advantage:
1. Cost and time-effective.
2. Easy to use and can be used when conducting probability sampling is not possible. such as working on a small population.