Seven stages of action: Every action has seven stages associated with it — 1 for goal, 3 for Gulf of Execution (figuring out how to operate) and 3 for Gulf of Evaluation (figuring out what happened). The seven stages are goal formation, action planning, specifying an action sequence, performing an action, perceiving the state of the world, interpreting the perception and comparing the outcome with the goal. Designs must successfully bridge the gap between both the gulfs in order to be effective.
nition and value judgments…sceral, Behavioral and Reflective. Good design addresses all three level of information processing. Visceral processing is instinctive, and automatic (Bottom-up). For this, the design should address aesthetics, colors and symmetry. Behavioral processing is controlled, associated with decision-making and thoughtfulness. The design should address functionality, usability, responsiveness and elegance. Reflective processing deals with sentiment, metacognition and value judgments and the design must invoke desirable memories. (Top-down)