Political psychology aims to understand interdependent relationships between individuals and contexts that are influenced by beliefs, motivation, perception, cognition, information processing, learning strategies, socialization and attitude formation. Political psychological theory and approaches have been applied in many contexts such as: leadership role; domestic and foreign policy making; behavior in ethnic violence, war and genocide; group dynamics and conflict; racist behavior; voting attitudes and motivation; voting and the role of the media; nationalism; and political extremism. In essence political psychologists study the foundations, dynamics, and outcomes of political behavior using cognitive and social explanations.