Studies in human-computer interaction (HCI) significantly influence design by focusing on optimizing the interaction between people and technology. HCI research identifies user needs, preferences, and behaviors, guiding the development of more intuitive and effective interfaces. Understanding how users interact with technology allows designers to create solutions that minimize frustration and enhance overall satisfaction. By incorporating usability testing and iterative design, HCI studies promote the development of interfaces that accommodate diverse user populations, including those with disabilities. Ultimately, insights from HCI shape products that are not only functional but also intuitive and user-friendly.