Body language the investigators' themselves. The body language of the members of law enforcement might influence the accuracy of eyewitness accounts. The game of poker involves not only an understanding of probability, but also the competence of reading and analyzing the body language of the opponents. A key component of poker is to be able to "cheat" the opponents. To spot these cheats, players must have the ability to spot the individual "ticks" of their opponents. Players also have to look out for signs that an opponent is doing well. Kinesics is the study and interpretation of nonverbal communication related to the
Body language also includes an arm crossed over the other, demonstrating insecurity and a lack of confidence. According to Barbara Pease and Allan Pease, authors of "The Definitive Book of Body Language", everybody does shoulder shrug. The shrug is a good example of a universal gesture that is used to show that a person doesn't understand what you are saying. "It's a multiple gesture that has three main parts," they continue. "Exposed palms to show nothing is being concealed in the hands, hunched shoulders to protect the throat from attack, and raised brow, which is a universal, submissive greeting." Hand gestures often