GROUND TRUTH By N., Pam M.S. - May 11, 2013 Term for the truth regarding whether or not a person actually committed the act they are accused of. Concept is used with lie detection. True error rate is difficult to determine. GROUND TRUTH: "The ground truth is sought by lie detection." Related Psychology Terms CRIMINAL RESPONSIBILITY DUNCAN MULTIPLE-RANGE TEST COURT-ORDERED TREATMENT FICTION AGEUSIA (AGUEVIA) BASE-RATE FALLACY AFFIRMATIVE DEFENSE ACTIVE MEMORY ERROR OF COMMISSION CONTRAST ERROR Cite this page: N., Pam M.S., "GROUND TRUTH," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/ground-truth/ (accessed August 8, 2020).