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# Using bias to tune search results with Apache Solr Search module¶

The Apache Solr Search module’s bias settings enable you to assign search bias to certain aspects of indexed items. Configure bias for a search environment on the Apache Solr search > Settings tab, under Configuration.

Search bias influences the importance of those aspects in search results. Any value except “Omit” or “Ignore” increases that aspect’s score in the results. The higher the score, the more those aspects will influence the search results. You can assign values from 0.1 to 21.0 when you set a bias. You can assign bias by:

## Bias by node attributes¶

Using the Result biasing section, you can add search bias to favor nodes that are or have:

• Sticky at top of lists
Setting a field’s value to Omit means that the field will not be searched.