Answer:
Perseveration
Step-by-step explanation:
Perseveration is the belief on which a person cling for a long time. The person new information about that that dis-confirm them but even then the person clinging on old information.
Every person wants to change that belief but their stubbornness remains unchanged.
For instance, there are many topics for debate such as the death penalty, Evolution, and abortion.
Thus here Shanta has displaying perseveration.