the basic issue in sampling is to decide what the target population T
actually is. Then you weight the sample so that each person in the
target population has an equal chance w and people not in it have weight zero.
So what is the target population we want to study?
--the world's population?
--the world's educated population?
--everyone with internet access
--everyone who ever uses Wikipedia
--everyone who use it a lot
--everyone who has knowledge to contribute in positive fashion?
--everyone who has the internet, skills and potential to contribute?
--everyone who has the potential to contribute but does not do so?
Richard Jensen
rjen...@uic.edu
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