Final answer:
Denial is an ego defense mechanism in psychology that involves refusing to believe or accept the reality of a situation as a way to protect oneself from anxiety or distress.
Step-by-step explanation:
Denial is an ego defense mechanism in psychology that allows an individual to refuse to believe or accept the reality of a situation. It is a way of protecting oneself from overwhelming anxiety or distress. Denial involves rejecting or minimizing the evidence or facts that contradict one's beliefs or desires.
For example, a person who is in denial about their addiction may insist that they don't have a problem and continue engaging in destructive behaviors. Denial can also be seen in situations where someone refuses to take responsibility for their actions, blames others, or justifies their harmful behavior.
Overall, denial is a psychological defense mechanism that helps individuals avoid facing uncomfortable or threatening truths.