Before revision: In the field of psychology, cognitive dissonance is described as the mental disturbance people feel when their beliefs and actions are inconsistent and contradictory, ultimately encouraging some change (often either in their beliefs or actions ) in order to cause their beliefs and actions to align better and or contradictory.
After revision: In the field of psychology, cognitive dissonance is described as the mental disturbance people feel when their cognitions and actions are inconsistent or contradictory.