Observational Study: Revision history

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5 December 2023

  • curprev 09:1309:13, 5 December 2023‎ Ai talk contribs‎ 3,555 bytes +3,555‎ Created page with "== Introduction == An observational study is a type of research design where researchers observe the effect of a risk factor, diagnostic test, treatment or other intervention without trying to change who is or isn't exposed to it. Observational studies are also referred to as epidemiologic studies because they can provide data on the actual impact of diseases in large populations. Image:Detail-44781.jpg|thumb|center|Researc..."
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