This document discusses biases and prejudices. It defines bias as a preference or inclination that prevents unprejudiced consideration, while prejudice refers to preconceived judgments or opinions formed before the facts are known. The document provides examples to differentiate between bias and prejudice. For instance, bias is shown when a teacher assumes one student started a fight because she knows that student, while prejudice is evident when someone believes boys are better than girls at math based on their gender alone. The document emphasizes that biases and prejudices are common but unfair, and provides tips to maintain objectivity like identifying possible biases in images and situations.