Final answer:
Confirmation bias is the tendency to selectively remember or emphasize information that aligns with existing beliefs. This can lead to closed-mindedness and reinforcement of biases.
Step-by-step explanation:
Confirmation bias is the tendency to search for, interpret, favor, and recall information that confirms or supports your prior beliefs. It is the tendency to selectively remember or emphasize information that aligns with your existing beliefs. This can be a problem because it can lead to closed-mindedness, preconceived notions, and the reinforcement of biases, preventing individuals from considering alternative perspectives or changing their beliefs based on new evidence.