Questions tagged [lie-detection]

Polygraphs are often used in fiction, but also sometimes in court or by government agencies and corporations. Physiological reactions from the subject are recorded and an operator interprets them to decide whether the subject is telling the truth or…

In Season 1 Episode 4 of Adam Ruins Everything Adam Conover says this about John Augustus Larson commenting on the polygraph machine, [Larson] would go on to regret inventing it. Larson became so horrified by law enforcement's unscientific use of…

There seem to be many Voice Stress analysis software available. Does vocie stress analysis work for lie detection? How reliable is it? The first one I found was a Skype plugin…

I heard it said that you could tell if someone had lied recently by looking at their fingernails. White spots indicated lies, with supposedly bigger spots indicating bigger lies. I've observed white spots (and damage to the nails) moves away from…