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Use of a city telephone directory as a sampling frame introduces this problem.
For samples of 1,000, the population percent lies within +3 or –3 percentage points of the sample estimate.
Its effectiveness depends on the knowledge and skill of the researcher in selecting cases.
Includes convenience, purposive, and quota sampling.
This type of sampling design may be either proportionate or disproportionate.
With this process, each case has a known probability of being included in the sample.
“English-speaking Boston residents 65 years of age or older who are not living in nursing homes or long-term care facilities” is a practical definition of a ________.
The theoretical values of a statistic (e.g., the mean) for all possible random samples of a fixed size.
Assumes that members of the target population know one another.
An operational definition of a population that provides a basis for drawing a sample.
A main purpose of this probability sampling design is to reduce the costs of data collection.
This value decreases as sample size increases.