The timed antagonistic response alethiometer, or TARA, is a type of lie detection technique that relies upon cognitive chronometry.
It requires respondents to classify a succession of mixed statements as true or false, as quickly and accurately as they can, by pressing one of two keys.
The TARA works by manufacturing an artificial situation in which lying is more challenging than truth-telling.
Structurally, the TARA bears some affinities with the implicit association test (IAT), because it generates differences in average reaction time on the basis of differences in response compatibility.
However, initial laboratory studies obtained accuracy rates in the region of 85%, suggesting that the technique holds promise.