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How have the size and functions of government in the United States changed during the last century?
Purposive Sampling
A non-random sampling technique in which the researcher selects participants based on specific characteristics or qualities.
Convenience Sampling
A sampling technique where participants are selected based on their availability or ease of access, rather than at random.
Volunteer Sampling
Obtaining a sample by asking for volunteers.
Sampling Interval
The interval selected in systematic sampling (e.g., every 10th or 100th unit).
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