The research area of human-computer interaction focuses on understanding how people interact with technology and designing user-friendly interfaces and systems that enhance this interaction. This field combines principles from computer science, cognitive psychology, design, and other disciplines to improve the usability and user experience of technological devices and software. Researchers in this area study various aspects of human-computer interaction, such as user behavior, interface design, usability testing, and user interface evaluation, with the goal of creating more intuitive and efficient ways for people to interact with technology. The ultimate aim of human-computer interaction research is to develop technology that is accessible, enjoyable, and efficient for users.