false positive
Used in medical testing, statistics, and quality control to describe a result that incorrectly indicates the presence of a condition or attribute.
See also: 陽性
This test can produce false positives.
A retest is necessary to reduce false positive results.
陽性 means 'positive' (as in a test result), while 偽陽性 specifically refers to a false positive.
Compound of 偽 (false) and 陽性 (positive), modeled on English 'false positive'.