Reducing & Recognizing Error
Lewis and Norman (1986) Representation is important! Menus/Icons alleviate: - User recall of appropriate command - Accurate typing Immediate visual display of system state: - Reduces mode errors - Cursor icon changes according to tool type or interaction context - Modal dialogues constrains user to attend to a task
Lewis and Norman (1986)
Representation is important!
Menus/Icons alleviate:
- User recall of appropriate command - Accurate typing
Immediate visual display of system state:
- Reduces mode errors - Cursor icon changes according to tool type or interaction context - Modal dialogues constrains user to attend to a task