![]() ![]() Use NOT to narrow search results by eliminating specific words or phrases from the search results for example student AND performance NOT musical will eliminate articles about student musical performances. While an effective strategy to reduce results, it may also eliminate documents with high relevancy to your topic.īoolean images obtained from The Boolean Machine by Rockwell Shrock,, retrieved 19 December 2016. Relevance of the retrieved items may depend upon the proximity of the words in the record (next to or near each other and in context). The second advantage of concentrating on owned media is that youll know youre using accurate data that your team sourced. Its best practice to start your search wide and fill in different criteria youre willing to consider through OR. The more terms added to the search, the narrower the results will be. Boolean operators are used in computer database searching to connect research concepts. You're instructing the resource to retrieve only those documents or records containing both words or phrases for example "online programs" AND "student success " or in the illustration below endangered AND birds. Concept 1: violin Concept 2: repetitive stress injury Concept 3: wrist Concept 4: arms Step Two: Set up a Search Strategy Using Boolean Operators A Boolean operator refers to the logical use of algebraic terms involving two or more values. However, this increases the possibility of reducing relevancy if you haven't selected the best keywords or concepts relationships. Writing a successful search strategy takes an intimate knowledge of bibliographic databases. ![]() Think of using OR in terms of synonyms or related terms for example "challenges" OR "barriers" OR "weaknesses" or in the illustration below endangered OR birds. Step 4: Add Boolean operators (AND, OR) to make a complete search statement Use AND to limit or narrow your search to results that mention all of your. This expands the search to include all records containing either concept. Using the Boolean terms: AND, OR, NOT, the searcher is able to define relationships among concepts. Boolean searching allows the user to combine or limit words and phrases in an online search in order to retrieve relevant results. ![]()
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