a sampling that every element in the population has a known and equal chance of being selected as a subject

Systematic sampling

Stratified random sampling

Cluster sampling

Double sampling

Judgment sampling

Quota sampling

Sub Topic

begins with precisely defining the target population

representation of all the elements in the population from which the sample is drawn

Probability Sampling

Nonprobability Sampling

the entire group of people, events, or things of interest that the researcher wishes to investigate.

single member of the population

the element or set of elements that is available for selection in some stage of the sampling process

single member of the sample, just as an element is a single member of the population