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.
Jack and Jill (nursery rhyme) Jack and Jill (sometimes Jack and Gill, particularly in earlier versions) is a traditional English nursery rhyme. The Roud Folk Song Index classifies this tune and its variations as number 10266. The rhyme dates back at least to the 18th century and exists with different numbers of verses each with a number of variations.