While all databases use controlled vocabulary as a tool to categorize and index similar concepts, Medical databases such as CINAHL and MEDLINE (PubMed) have created specialized controlled vocabulary tools.
All databases index articles by SUBJECT HEADINGS. This is useful as authors can refer to a concept using differing terminology. By searching using controlled vocabulary, you capture all relevant articles within the database.
Some of the Controlled Vocabulary tools include:
Here is an example of how authors use terminology that is similar to the concept of Handwashing.
|MeSH Term =
|Database Subject Headings =
All terms must be included in the resulting records;
Result list will narrow with each added terms to the search
Connects two or more similar concepts (synonyms);
Tells the database to include any of the terms used;
Will broaden results
Excludes concepts from your result;
Tells the database to ignore concepts/terms that may be implied by the search terms used
College students AND test anxiety
Cloning OR Reproduction OR Genetics
Cloning NOT sheep
Using Truncation *
Using Wildcards ? !
Credo Reference contains specialized encyclopedias and dictionaries that provide overviews and detailed descriptions on complex topics.
There are three Main components:
1. Results list Specialized dictionaries and encyclopedias.
2. Mind Map.
3. More Library Resources.
A way to brainstorm and gather broad information about a
topic before you define your research paper.
This occurs before you find specific sources (articles, websites, books)
to use in your paper.
Allows you to familiarize yourself with the topic in general.
Some benefits include:
Pre-Search information can be found anywhere and depends on your focus.
Reference sources area a great place to start:
The PICO model focuses on Patient care