GOMS is an acronym that stands for Goals, Operators, Methods, and Selection rules. It is a model used in human-computer interaction (HCI) and cognitive psychology to analyze and evaluate human performance in interactive systems.
The "G" in GOMS refers to Goals, which are the desired outcomes or objectives that a user intends to achieve while using a system. It involves understanding the user's intentions and the tasks they want to accomplish.
The "O" in GOMS stands for Operators, which are the basic actions or interactions that a user performs to achieve their goals. Operators are typically low-level, atomic actions such as mouse clicks, keystrokes, or eye movements.
The "M" in GOMS represents Methods, which describe the cognitive processes and strategies used by the user to accomplish the tasks. Methods can include mental calculations, decision-making processes, or problem-solving techniques.
Lastly, the "S" in GOMS stands for Selection rules, which govern the user's choices and decisions when selecting among different methods or operators. These rules are typically based on factors such as experience, efficiency, or ease of use.
Overall, GOMS provides a systematic and structured approach to analyze human-computer interaction by breaking down the user's goals, actions, cognitive processes, and decision-making rules. It helps designers evaluate the usability and efficiency of interactive systems by identifying potential bottlenecks, inefficiencies, or usability issues.
