Sampling II: Population definition and sampling frames - Defining the survey population
3 important questions on Sampling II: Population definition and sampling frames - Defining the survey population
What two questions must be answered in defining a population for sampling purposes?
1. What are the population units?
2. What are the population boundaries?
2. What are the population boundaries?
What are population boundaries?
The condtions that seperate those who are of interest in the research from those who are not.
What is knowdlegde error?
In cases where the classification of population members depends on there own reports the operational boundaries of a population also may be limited by population members' willingness or ability to report qualifying conditions or behaviors. Knowledge error can be an issue if the condition is unobserved or vague.
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