
Honest Signals: How They Shape Our World (Bradford Books)

Body Language (Unmasked: A Revealing Look at the Fascinating World of Body Language)
amazon.com
Signaling and counter-signaling are hidden methods of communicating with each other. We do it all the time as a way to “prove” we are who and what we claim to be.
Farnam Street • Signaling: The Language Peacocks, Gazelles, and Humans All Speak
It turns out that we all have specific and subtle signals and hints that massively influence the way we view others and how they view us. Most of them are miniscule, subconscious, and mired in the minutiae—but these are the details that actually make the difference.
Patrick King • The Science of Likability: 27 Studies to Master Charisma, Attract Friends, Captivate People, and Take Advantage of Human Psychology

Signalling, Subconscious hacking, Satisficing and Psychophysics.