For 10 points, name this action, which is also measured by hooking people up to a polygraph.
According to a study by Bella DePaulo, people perform this action an average of more than once a day. J.H. Korn's book Illusions of Reality analyzes the history of this action by social psychologists. According to Leon Festinger, the cognitive dissonance in his 1957 experiment with Carlsmith's 1957 was caused by subjects being unable to justify performing this action. Paul Ekman pioneered the analysis of microexpressions to identify performances of this action, and termed false accusations of it the Othello error. For 10 points, name this action, which is also measured by hooking people up to a polygraph.
According to a study by Bella DePaulo, people perform this action an average of more than once a day.
lying [or deception; or clear-knowledge equivalents]