ERIC Combine search terms with Boolean operators Next = click.

Presentatie over: "ERIC Combine search terms with Boolean operators Next = click."— Transcript van de presentatie:

1 ERIC Combine search terms with Boolean operators Next = click

2 Boolean operators To combine search terms AND: all terms must occur e.g. computer AND education (restrict) OR: at least one of the terms must occur e.g. computer OR education (enlarge) NOT: this term should not occur e.g. computer NOT education (exclude)

3 First method: combined searching in Advanced

4 adoek1: Lege dia dupliceren en gebruiken voor de schermafbeelding en te plakken adoek1: Lege dia dupliceren en gebruiken voor de schermafbeelding en te plakken children

5 adoek1: Lege dia dupliceren en gebruiken voor de schermafbeelding en te plakken adoek1: Lege dia dupliceren en gebruiken voor de schermafbeelding en te plakken

6 adolescents

7 AND: both terms must occur

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9 OR: at least one of the terms must occur

10 NOT: this term should not occur

11 Second method: enter terms + operators directly in Search

12 But take care: AND and NOT are processed before OR Combining operators is also possible So use parentheses if necessary (children or adolescents) and internet

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15 Third method: Combine search actions in Search History See: Combine searches elsewhere in this manual

16 Summary Restrict with AND Enlarge with OR Exclude with NOT Compound search? Use parentheses if necessary!