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.
Background The children's nursery rhyme Who Killed Cock Robin is a traditional nursery rhyme. The earliest published form of the poem was in England in 1744, and some people believe it is actually a political poem about the downfall of Robert Walpole's government, which happened in 1742.