The role of user experience research in product improvement is to gather insights into user behaviors, preferences, and needs. Through methods such as interviews, surveys, and usability testing, researchers identify pain points and areas for enhancing user satisfaction. This research directly informs design iterations and product features, ensuring that they align with user expectations. By prioritizing user feedback, companies can create more intuitive products that drive engagement and loyalty. Ultimately, user experience research is crucial for developing successful products in a competitive market, as it places the user at the center of the design process.