1. SWUIDesignEvaluation SW

3. Task Oriented Design Process Task and User Analysis Description Feature Inspection Engineering Analysis Mock up Prototype Series of paper Sketches - Steps Through Representative Tasks Iterations Design Implementation Test Tracking Feedback Similar Tasks And Interfaces

9. Color Perception Example Do you perceive the same color for the green boxes?

13. GOMS Task Decomposition Retrieve a single item from a long-term … 1.2s Learning a single step in a procedure 25s Execute a mental step .075s Respond to a brief light .1s Recognize a 6 letter word .34s Move eyes to a new location on the screen (saccade) .23s Enter one keystroke on a standard keyboard .28s Use mouse to point at an object on screen 1.5s Move head to pointing device or function key .3s Physical movements Visual perception Mental actions Choose among methods 1.2s