True Negative (TN)


  • A Non-Relevant Document that is correctly identified as Non-Relevant by a search or review effort. 1
  • One of four response states in a categorization task. True negative responses are those that are truly in the negative category and are classified as negative. 2


  1. Maura R. Grossman and Gordon V. Cormack, EDRM page & The Grossman-Cormack Glossary of Technology-Assisted Review, with Foreword by John M. Facciola, U.S. Magistrate Judge2013 Fed. Cts. L. Rev. 7 (January 2013).
  2. Herb Roitblat, Predictive Coding Glossary.
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