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8. Evaluating search results
Broaden your search to increase search results and narrow your search to decrease search results. Use the following table to estimate the appropriate number of documents for a substantial research project.
Too few
(5 documents) |
Broaden your search |
Use the OR operator
Use truncation |
Just right the right number
(50 documents) |
Review search results for appropriate materials |
30 relevant documents should enable you to make a good start on your research project. |
Too many
(200 documents) |
Narrow your search |
Use the AND operator
Use the NOT operator
Use limits |
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