false positive


Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Wikipedia.
Related to false positive: False Positive Rate

false positive

The erroneous identification of a threat or dangerous condition that turns out to be harmless. False positives often occur in intrusion detection systems. See IDS. Contrast with false negative.
References in periodicals archive ?
Nineteen percent of the false positive marks were attributed to medical devices in or on the chest, including catheter ports and electrocardiogram leads.
Burke estimates that by using the new tests the Army has lowered its false positive rate from approximately 1 in 100,000 to less than 1 in 250,000.
CHICAGO -- The RSID - Semen test will not cross react with any other human or animal body fluids, bacteria or fungus, eliminating a majority of false positives
Investigators, editors, reviewers, and the scientific community can collectively reduce the impact of false positives.
Unfortunately, aggressive anti-money laundering (AML) schemes can also lead to unacceptably high levels of False Positives -the incorrect identification of legitimate transactions as threats.
Conversely, if one can accept ten false negatives for every false positive, false positives are ten times more costly than false negatives; one false positive counts the same as ten false negatives.
And even the gold standard of maternal drug testing -- meconium, a baby's first stool that is analyzed to assess a mother's drug usage over the past four or five months -- can produce false positives for methamphetamine up to 70 percent of the time, said Dr.
False positives can cause subscribers to miss dozens of messages, many of which they pay for without ever knowing they were sent.
8 percent of the men would have at least one false positive in their scan.
Having access to previous mammogram slides significantly reduces the chance of obtaining a false positive reading.