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WR121 - Health and Medicine: Searching for Evidence-Based Articles

Guide with sources for WR121 geared toward research in this area, including searching for evidence-based articles.

Levels of Evidence

pyramid of evidence loweset level 5, case based reasoning or expert opinion, level 4 case series, level 3 case controlled studies, level 2 cohort studies, level one systematic reviews & randomized controlled trials, top

©Jessica Bell, Pyramid: Levels of Evidence used under a Creative Commons Attribution License

Study Design 101, a tutorial from SUNY Downstate Medical Center, covers the basics. Note the top levels of the pyramid —

are the gold standard for evidence. These are the types of study you will want to look for first in the library databases.

Additional information, including MEDLINE terms for types of studies, is at Evidence-Based Practice in Applied Health: Levels of Evidence, a tutorial from the University of Illinois at Chicago

Databases for Evidence Based Articles

You can find articles in the regular library search, but you may want to use one of the databases that allow you more control over your results. Here are indexes that cover nursing journals in Chemeketa's library.

You can do simple keyword searches in MEDLINE or CINAHL, but nursing students need to learn how to use CINAHL headings and refinements in order to find articles that meet the requirements for their class assignments. There are tutorials on how to use CINAHL and Medline.

If you are off campus, you will be asked for your My Chemeketa user name and password.

How to Use CINAHL Video

Using MEDLINE Video

These brief videos should provide a refresher on using the MEDLINE databases.