is the phenomenon in which people cling to their initial beliefs and the reasons why a belief might be true, even when the basis for the belief is discredited.

Belief Perseverance.

Explanation:

Belief Perseverance is the term that is referred to as the belief system that one still holds onto initial beliefs. In this, a person tends to cling to their initial belief even after their beliefs are contradicted by the new information.

Such people remain stubborn even after when others have tried to change their notion or idea about something.

The term is referred so because in it a person tends to cling to a previous belief system so beliefs persevere.

So, the correct answer is Belief Perseverance.

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