Specific may refer to:

• Specificity (disambiguation)
• Specific, a cure or therapy for a specific illness

Specificity may refer to:

• Being specific (disambiguation)
• Specificity (statistics), the proportion of negatives in a binary classification test which are correctly identified
• Definiteness, in linguistics, whether the referent of a noun phrase in a given context is identifiable
• Particular, as opposed to abstract, in philosophy
• Asset specificity, the extent to which the investments made to support a particular transaction have a higher value to that transaction than they would have if they were redeployed for any other purpose
• Domain specificity, theory that many aspects of cognition are supported by specialized, presumably evolutionarily specified, learning devices

Swoistość w badaniach naukowych, na przykład testach diagnostycznych stosowanych w medycynie, jest stosunkiem wyników prawdziwie ujemnych do sumy prawdziwie ujemnych i fałszywie dodatnich. Swoistość 100% oznaczałaby, że wszyscy ludzie zdrowi w wykonanym teście diagnostycznym zostają oznaczeni jako zdrowi. Test o wysokiej swoistości posiada niski błąd pierwszego typu.