How do human beings make decisions? What triggers a person to take action at any given point? These are all questions that I will attempt to answer with my theoretical research into Leon Festinger's theory of cognitive dissonance, as well as many of the other related theories. We often do not realize the psychological events that take place in our everyday lives. It is important to take notice of theories, such as the balance theory, the congruency theory and the cognitive dissonance theory so that one's self-persuasion occurs knowingly. As ps ....