Despite reading numerous research studies that report the association of fast food consumption with heart disease and diabetes, rachel continues to eat fast food and thinks that it is harmless. rachel's thinking is an example of

Rachel's thinking is an example of Belief perseverance

Belief perseverance refers to the tendency for us to held our personal belief as true no matter what evidences that contradict our belief.

Helding this type of belief would became a huge hindrance in the learning process that make us trap in confimation bias.