In decision-making, bias refers to the tendency to notice information that agrees with what we know.

confirmation bias

Explanation: Confirmation bias refers to the tendency to find, perceive, support, and remember data in a way that asserts somebody's previous beliefs and analysis. 

It is a form of cognitive dissonance and a deliberate intuitive rationale mistake. Individual  show this prejudice while storing or mistakenly recalling data or presenting it in a biased manner.

Confirmation biases lead to stubbornness in personal convictions and, throughout the presence of contradictory evidence, may sustain or reinforce beliefs. Wrong decisions were observed in national and institutional settings due to these prejudices.

b, fewer problems later! good luck

answer; intensive use of a sales force and is relatively costly;