Jun/090
Double Sampling
Double Sampling is a probability sampling design that involves the process of collecting information from a set of subjects twice, such as using a sample to collect preliminary information and later using a sub-sample of the primary sample for more information.
Jun/090
Judgment Sampling
A Judgment Sampling is a purposive, non-probability sampling design in which the sample subject is chosen based on the individual’s ability to provide the type of special information needed by the researcher.
May/090
Convenience Sampling
Convenience Sampling is a non-probability sampling design in which information or data for the research are gathered from members of the population that are conveniently accessible to the researcher.
May/090
Cluster Sampling
Cluster Sampling is a probability sampling design in which the sample compromises groups or chunks of elements with intra-group heterogeneity and inter-group homogeneity.
Apr/090
Sampling
Sampling is the process of selecting items from the population so that the sample characteristics can be generalized to the population. This process involves design choice and sample size decisions.