______ is said to exist when two cognitions are psychologically inconsistent with each other.

A) Belief hypocrisy
B) A subjective norm
C) Cognitive dissonance
D) Cognition change

Cognitive dissonance is the psychological discomfort or tension that occurs when an individual holds two or more beliefs or attitudes, or when their behavior conflicts with their beliefs/attitudes. The individual experiences cognitive dissonance because the two cognitions are inconsistent with each other, and they try to reduce the discomfort by changing one of their beliefs or attitudes or justifying their actions. Options A, B, and D are not relevant to the description provided.