Sampling in epidemiological research: issues, hazards and pitfalls
نویسندگان
چکیده
منابع مشابه
Sampling in epidemiological research: issues, hazards and pitfalls
Surveys of people's opinions are fraught with difficulties. It is easier to obtain information from those who respond to text messages or to emails than to attempt to obtain a representative sample. Samples of the population that are selected non-randomly in this way are termed convenience samples as they are easy to recruit. This introduces a sampling bias. Such non-probability samples have me...
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ژورنال
عنوان ژورنال: BJPsych Bulletin
سال: 2016
ISSN: 2056-4694,2056-4708
DOI: 10.1192/pb.bp.114.050203