Boolean operators 2
Boolean operators
Use Boolean operators AND, OR, NOT to combine search terms
AND: all terms must occure.g. reading AND dyslexia (restrict)
OR: at least one of the terms must occure.g. reading OR dyslexia (expand)
NOT: the second term should not occure.g. reading NOT dyslexia (exclude)
Library
dyslexia reading
reading dyslexia
Boolean operators 6
Combine with OR
Results: 79 records on both students and attributionInclude the term fear in a search for anxiety
anxiety
fear
Boolean operators 7
Results: records that all contain at least one of the terms
A new search: coercion NOT violence
coercion
violence
Boolean operators 9
attribution and
Multiple operators can be used
Control the order of precedence with parentheses
(fear or anxiety)
Top Related