Humans are creatures of habits, and these habits can be analyzed and codified into rules that help us perform better. Many times, we're not even aware of the habits that control our choices.
Conside the child's game, Rock-Paper-Scissors. The odds of winning are one in three. At least, that's what chance predicts. But people do not play randomly - they follow hidden patterns that you can predict to win more games than you should, a study has revealed.