Prejudice can be an affective feeling towards a person based on their perceived group membership. The word is often used to refer to a preconceived (usually unfavourable) evaluation or classification of another person based on that person's perceived political affiliation, sex, gender, gender identity, beliefs, values, social class, age, disability, religion, sexuality, race, ethnicity, language, nationality, culture, complexion, beauty, height, occupation, wealth, education, criminality, sport-team affiliation, music tastes or other personal characteristics. Prejudice refers to a preconceived judgment, opinion or attitude directed toward certain people based on their membership in a particular group. It is a set of attitudes, which supports, causes, or justifies discrimination. Prejudice is a tendency to over categorize. The word "prejudice" can also refer to unfounded or pigeonholed beliefs and it may apply to "any unreasonable attitude that is unusually resistant to rational influence".