Final answer:
People with confirmation bias tend to ignore negative aspects and overemphasize positive ones when evaluating decisions, confirming their existing beliefs.
Step-by-step explanation:
When evaluating decisions, people with confirmation bias ignore or downplay the negative features of the selected alternative and overemphasize its positive features. Confirmation bias is a cognitive bias where individuals have the tendency to seek out, interpret, and remember information in a way that confirms their preexisting beliefs and hypotheses, while giving disproportionately less consideration to alternative possibilities. This bias can lead people to make decisions based on limited information and to continue believing something even in the face of contradictory evidence.