A7.08
Design model, system image, and user's model
Cards in this group · 4
- A7.08.1The system image is assembled from interface appearance, documentation, error messages, and word of mouth
- A7.08.2A self-contradictory system image produces inconsistent, even self-contradictory, user models
- A7.08.3Designers directly control only the system image; the user's model can only be influenced indirectly
- A7.08.4System image conveyed by word of mouth and peer demonstration can outweigh what the product presents on its own