Answer:
b. confirmation.
Explanation:
Confirmation bias: In psychology, the term confirmation bias is also known as confirmatory bias. It is defined as the tendency of the human being to grasp, favor, recall, interpret, and search for a piece of particular information in such a way that can strengthen and confirm his or her preconceptions, hypothesis, and personal beliefs that can often lead to a statistical error. Confirmation bias is considered as one of the cognitive biases.
In reference to the question, this exemplifies confirmation bias.