Quality of life research focuses on understanding and measuring the subjective well-being and overall satisfaction of individuals in various aspects of their lives. This research area examines how factors such as physical health, mental health, social relationships, financial stability, and personal fulfillment contribute to individuals' overall quality of life. Researchers in this field use a variety of methods, including surveys, interviews, and observational studies, to assess and improve individuals' quality of life. Ultimately, the goal of quality of life research is to identify ways to enhance individuals' overall well-being and promote a higher quality of life for all.