Cognitive Dissonance Definition. Cognitive dissonance occurs when tension arises between a person's attitudes or beliefs and a decision that contradicts those pre-existing modes of thinking. The psychological phenomenon also occurs when a person chooses between two equally attractive or equally unappealing options. According to the Business Dictionary's website, the most common example of cognitive dissonance in the business world is the occurrence of buyer's remorse..
nursery rhyme. a short, simple poem or song for very young children, as Hickory Dickory Dock.
Humpty Dumpty is a character in an English nursery rhyme, probably originally a riddle and one of the best known in the English-speaking world. Though not explicitly described, he is typically portrayed as an anthropomorphic egg.