Discrimination is unfair treatment of one particular person or group of people. A simplified description of the legal definition of discrimination is when a person is treated disfavourably or when a person's dignity is violated.For example, 620 per cent of children of primary school age are out of school in Roma settlements, while the national rates are 13 per cent. Laws prohibiting national origin discrimination make it illegal to discriminate because of a person's birthplace, ancestry, culture or language. What is Discrimination? Negative attitudes toward out-groups can lead to discrimination. Discrimination means to act based on a preference or prejudice. The four types of discrimination are direct, indirect, harassment and victimisation. In this episode of Crash Course Psychology, Hank tackles some difficult topics dealing with prejudice, stereotyping, and discrimination. For example, 620 per cent of children of primary school age are out of school in Roma settlements, while the national rates are 13 per cent.