Browsing Artikler fra Kunnskapssenteret by Subject "Bias (Epidemiology)"
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International health policy survey in 11 countries: assessment of non-response bias in the Norwegian sample.
(Journal article; Peer reviewed, 2010-02-10)BACKGROUND: International health policy surveys are used to compare and evaluate health system performance, but little is known about the effects of non-response. The objective of this study was to assess the effects of ...