False positive
A result that is erroneously positive when a situation is normal. An example of a false positive: a particular test designed to detect cancer of the toenail is positive but the person does not have toenail cancer.
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1. A test result that erroneously assigns an individual to a specific diagnostic or reference group, due particularly to insufficiently exact methods of testing. 2. An individual whose test results include him or her in a particular diagnostic group to which the individual may not truly belong. 3. Term used to denote a false-positive result.

Medical dictionary. 2011.

Look at other dictionaries:

  • false-positive — adj relating to or being an individual or a test result that is erroneously classified in a positive category (as of diagnosis) because of imperfect testing methods or procedures <a false positive pregnancy test> compare false negative… …   Medical dictionary

  • false positive — false positives N COUNT: oft N n A false positive is a mistaken result of a scientific test. For example, if the result of a pregnancy test is a false positive, it indicates that a woman is pregnant when she is not. ...a high rate of false… …   English dictionary

  • false positive — n something that is wrongly thought or shown to be a particular thing, especially after a scientific test or ↑research ▪ 50% of the 170 compounds were judged to be carcinogenic, but some of these might be false positives. ▪ Many substances give… …   Dictionary of contemporary English

  • false positive — false positive/negative/ phrase an incorrect result of a scientific test One of the biggest complaints about current tests is that they give false positive results. Thesaurus: scientific research and relating to scientific researchhyponym… …   Useful english dictionary

  • false positive — noun a) A result of a test that shows as present something that is absent. A false positive from a cancer screening test will unnecessarily frighten a healthy person, a false negative will deprive them of timely treatment. b) type I error A false …   Wiktionary

  • False Positive — Die Artikel falsch positiv und Fehler 1. Art überschneiden sich thematisch. Hilf mit, die Artikel besser voneinander abzugrenzen oder zu vereinigen. Beteilige dich dazu an der Diskussion über diese Überschneidungen. Bitte entferne diesen Baustein …   Deutsch Wikipedia

  • False positive — Die Artikel falsch positiv und Fehler 1. Art überschneiden sich thematisch. Hilf mit, die Artikel besser voneinander abzugrenzen oder zu vereinigen. Beteilige dich dazu an der Diskussion über diese Überschneidungen. Bitte entferne diesen Baustein …   Deutsch Wikipedia

  • false-positive — /fawls poz i tiv/, n. a test result that is incorrect because the test indicated a condition or finding that does not exist. Cf. false negative. * * * …   Universalium

  • false-positive — ˈ ̷ ̷ˈ ̷ ̷( ̷ ̷) ̷ ̷ noun : an individual under test whose laboratory data or scores classify him especially because of imperfection or hypersensitivity of the method in a reference group or diagnostic category he does not belong in * * * /fawls… …   Useful english dictionary

  • false positive — A positive assay result that should have been negative …   Glossary of Biotechnology

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