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When Baby Rico whimpers and whines, his mother responds by ignoring him and refusing to pick him up. This decreases Rico's whining. The mother's behavior is an example of
Multistage Cluster Sampling
Sampling based on first sampling large units such as states or provinces and then sampling smaller units such as towns, city blocks, and so on.
Sampling Frames
The list or database from which a sample is drawn, representing the entire population or target group for a specific study.
Census
A study of every member of a population.
Sampling Frames
Databases or lists that are used to define and select the sample in a research study for the purpose of making generalizations about a population.
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