Think-Aloud Protocol

A usability research method in which participants verbalize their thoughts, reactions, and decision-making processes while interacting with a system or performing a task. Think-aloud protocols provide rich qualitative data about user experience, revealing cognitive processes, confusion points, and satisfaction levels that may not be apparent from behavioral observation alone. The method is widely used in accessibility evaluation to understand how users with disabilities interact with interfaces and identify barriers that quantitative metrics might miss.