When Mark's professor failed to recognize several times that Mark had his hand raised to answer a question, he began to think she was unfriendly. Despite learning later that the professor's limited vision kept her from seeing his raised hand, Mark continued to think she was unfriendly. This best illustrates:

a) belief perseverance.
b) the framing effect.
c) the availability heuristic.
d) divergent thinking.

a) Belief perseverance

Explanation:

Belief perseverance can be defined as the way in which a person or people belief in something despite what they believe in is untrue reason been that new information and evidence about what they believe in firmly contradict it. Example a person may decide to hold on to what he /she believes despite several evidence that vividly indicate that what they believe about is untrue by dismissing the evidence which is why a person with BELIEF PERSEVERANCE personality will often cling to their initial belief even after receiving new information that contradicts the basis of that belief or inability of them to change their own belief even upon receiving new information or facts that contradict that belief just as in the case of Mark in which despite the evidence about what he think of the Professor he still hold on to what he belief in even when he should not.

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the correct answer is c.