Happiness research is a field of study that focuses on understanding and measuring people's subjective well-being, life satisfaction, and overall happiness. Researchers in this area often examine factors that contribute to happiness, such as social relationships, financial security, health, and personal values. They may also explore the effects of positive emotions on physical and mental health, productivity, and societal well-being. The goal of happiness research is to provide insights that can help individuals and societies improve overall well-being and quality of life.