Applied social psychologists use principles and research methods of social psychology to understand and address problems arising in real-life social settings. Their work connects psychological knowledge with practical issues in areas such as education, health, organizations, community development, law, communication, and public policy. They study how individuals’ thoughts, emotions, and behaviours are influenced by social situations and use this understanding to improve social functioning and well-being. One important role of an applied social psychologist is to identify and analyse social problems. They examine issues such as prejudice, discrimination, aggression, stereotyping, social conflict, poverty, unemployment, substance abuse, and social exclusion. By studying the social and psychological factors responsible for these problems, they help develop appropriate interventions. For example, research on prejudice can be used to design programmes that promote positive intergroup relations and reduce discriminatory behaviour. Applied social psychologists also play an important role in health and mental health promotion. They examine how social support, attitudes, beliefs, cultural practices, and group influences affect health-related behaviour.