The most common Boolean operators are AND & OR. The use of operators allows researchers to combine several search terms into one search. Identify several words and terms that can be used in different combinations to get to relevant results. Keep in mind, it is not necessary or even advisable to enter all of the terms you brainstorm into one search. In the above example: each column of terms could be a separate search.
What impact does advertising have on children’s diets?
advertising
children's
impact
diets
advertising | marketing | promotion |
childrens | adolescents | youth |
impact | effect | influence |
diets | food choices | eating habits |
advertising | OR | marketing | OR | promotion | |
AND | childrens | OR | adolescents | OR | youth |
AND | impact | OR | effect | OR | influence |
AND | diets | OR | food choices | OR | eating habits |