A ___________ sampling is a nonprobability sampling method often employed in field research whereby each person interviewed may be asked to suggest additional people for interviewing, whereas, ____________ sampling is a type of nonprobability sampling in which units are selected into a sample on the basis of prespecified characteristics, so that the total sample will have the same distribution of characteristics assumed to exist in the population being studied.
- Reliance on variable subjects, Quota
- Purposive, Reliance on variable subjects
- Snowball, Quota
- Quota, Purposive
- Snowball, Purposive
Answer: C
Reliance on available subjects sampling: such as stopping people at a street corner or some other location, is an extremely risky sampling method.
Purposive Sampling: a type of nonprobability sampling in which the units to be observed are selected on the basis of the researcher’s judgment about which ones will be the most useful or representative.
Snowball Sampling: a nonprobability sampling method often employed in field research whereby each person interviewed may be asked to suggest additional people for interviewing
Quota Sampling: is a type of nonprobability sampling in which units are selected into a sample on the basis of prespecified characteristics, so that the total sample will have the same distribution of characteristics assumed to exist in the population being studied.