AND |
Records retrieved match both terms used |
"child AND psychologist" |
OR |
Records retrieved match either term used |
"psychiartrist OR psychologist" |
NOT |
Records retrieved match the 1st term and not the 2nd term |
"psychologist NOT psychiatrist" |
TRUNCATION |
Records retrieved begin with the characters typed with any characters following the truncation symbol (*). |
"psych*" |
WILDCARD |
Records retrieved match the characters as typed and any character may appear in the place of the wildcard (*). |
"wom*n" |
NESTING |
Places search terms in appropriate units so the computer can perform searches in the appropriate order. Records retrieved include "child AND psychologist" and "child AND psychiatrist" results. |
"child AND psychologist OR psychiatrist" |