Search Operators (called Boolean Operators) allow you to fine-tune your search by using the operators AND, OR, and NOT to combine search terms to broaden or narrow your search. You should always type these operators in capital letters.
If you wish to use different combining operators in the same search - that is, AND and OR together - there are two ways that you can do this:
Example: [Search line 1]: patient* OR resident*
AND [Search line 2]: "nursing home" OR "aged care home"
Example: (patient* OR resident*) AND ("nursing home" OR "aged care home")
Truncation is used to search for the same term with different word-endings. This is another way of making your search broader, with more results. The truncation symbol is usually the asterisk (*). You need to put the asterisk where the spelling changes.
|If you search for:||You will get:|
|nurs*||nurse, nurses, nursing etc|
|team*||team, teams, teamwork etc|
Primo Search and most databases (eg EBSCOhost and ProQuest databases) default to a keyword search, where multiple words entered together in the search box are searched for separately as keywords. The search tool puts the AND operator between the terms. In this case, if you want to search for the words as a phrase, you must enclose the words in double quotation marks.
|If you enter, in the search box: brain injury||You will get results that have brain AND injury [not necessarily occurring together]|
|If you want to get results for brain injury as a phrase||You will need to enter, in the search box: "brain injury"|
Some databases (eg Ovid databases) default to a phrase search, where multiple words entered together in the search box are searched for as a phrase. In this case, if you want to search for the words separately, you must insert the AND operator between them.
|If you enter, in the search box: brain injury||You will get results that have brain injury as a phrase|
|If you want to get results that have both the words brain AND injury, but not necessarily together||You will need to enter, in the search box: brain AND injury|
If in doubt, enclose a phrase in double quotation marks.
Database records consist of fields that contain specific pieces of bibliographic information. Common fields include: Author(s); Article title; Journal title; Date/year of publication; Subject headings; Abstract (summary).
Most databases will default to searching in all the main fields, but changing this to search only in a specific field, or fields, can give you more precise results.
For topic searching, it's a good idea to search in the Subject field, but searching in the Title field can work quite well too. If you are searching for an author, you can search only in the Author field; if you are searching for a publication, you can search only in the Publication (also known as the Source) field.
To find the various fields in which you can search, look for drop-down boxes or menus beside the search box(es).
For more on subject searching, see the guide in this page on Using CINAHL Headings and MeSH.
A proximity search forces a database to find results where one search term appears within a certain number of words of another search term.
The proximity operator varies according to the database. It is placed between the keywords/phrases in the same way as other combining operators. You can usually specify the number of words between the two terms.
The actual proximity operators vary according to the database. The examples below are from EBSCOhost . If you want to use proximity searching you should check the database's Help section.
In any EBSCOhost database:
|If you search for:||You will get:|
|dementia N4 communication||Results where the word dementia occurs within 4 words of the word communication|
|patient* N3 assess*||Results where patient OR patients occurs within 3 words of assess, assesses, assessing, assessment etc|
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