A set of items included in a psychological evaluation to indicate whether or not the respondent has been truthful in other parts of the test.
Example: Some lie scales include sets of nearly identical questions to test response consistency (“I never regret the things I say” might appear in the same test as “I’ve never said anything I later wished I could take back”).
Grinnell, R. (2009). Lie Scales. Psych Central. Retrieved on April 19, 2015, from http://psychcentral.com/encyclopedia/2009/lie-scales/