This document discusses prejudice, discrimination, and ways to reduce prejudice. It defines prejudice as a negative attitude towards a social group. Types of prejudice mentioned include racism, sexism, classism, homophobia, and religious prejudice. Discrimination is defined as actions against someone due to characteristics like race, age, gender, religion, or sexual orientation. The document also discusses different types of discrimination and provides examples. Finally, it discusses ways that psychologists have found to potentially reduce prejudice, such as changing group boundaries and social influence.