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Truncation

Truncation is like a wildcard. Added to the stem of a word, it will find that stem plus anything that comes after it. The symbol used to truncate a word depends upon the index, database, or Web search engine you are using. Check the help feature within the database to find which truncation symbol to use (*, ?, or !).

psychol? will return records about psychology, psychological, psychologist.
? is used as the truncation symbol for single characters, for example, in Historical Abstracts.
environ* will return records on environment, environments, environmental.
* is used as the truncation symbol in EBSCOhost, Gale, and WilsonWeb.
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