Often when twins who were separated at birth are reunited, they tend to focus on all of their similarities, while ignoring their differences.This is an example of

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Quizplus · Accepted Answer

The tendency to focus on similarities while ignoring differences is an example of confirmation bias, which is the tendency to interpret information in a way that confirms one's preexisting beliefs or expectations. In this case, the belief that twins must be very similar leads to a bias towards noticing and emphasizing their similarities while disregarding their differences.

Often When Twins Who Were Separated at Birth Are Reunited