https://wiki.isikhnas.com/index.php?action=history&feed=atom&title=Translations%3AAdvanced_Field_Epi%3AManual_1_-_Disease_Investigation%2F319%2FenTranslations:Advanced Field Epi:Manual 1 - Disease Investigation/319/en - Revision history2026-09-06T08:40:30ZRevision history for this page on the wikiMediaWiki 1.31.16https://wiki.isikhnas.com/index.php?title=Translations:Advanced_Field_Epi:Manual_1_-_Disease_Investigation/319/en&diff=7554&oldid=prevFuzzyBot: Importing a new version from external source2014-08-25T03:28:25Z<p>Importing a new version from external source</p>
<p><b>Halaman baru</b></p><div>=== Bias, confounding and interaction ===<br />
Observational studies are subject to bias. Bias occurs in an epidemiological study when the observations do not reflect the true situation because of some systematic error. Knowledge about type of bias and strategies to minimise risk of bias is essential in designing and implementing epidemiologic studies.</div>FuzzyBot