Zusammenfassung der Ressource
2g- Importance of
accurate mental models
- E.G. Keyboard short
cuts
- Ctrl + Z - looks like scribbling something out
- Ctrl + X - Looks like crossing something out
- Ctrl + C - for copy
- Ctrl + V - Arrow looks like inserting something into a place.
- E.G. Print dialouge
- Images to illustrate options such as
one sided or double sided printing
- Spinners where arrow up means increasing
and arrow down means decreasing
- Some users may be familiar with underlined text being
hyperlinks while other may not be and think it is just a subtitle.
- Benefits
- O- System relies on previous experience
- O- Quick learning and better productivity
due to faster thinking time
- Consequences of not using
mental model
- X- More difficult training => More costs
- X- User has no experience with system's
concepts, has to learn from scratch
- X- Difficult, Time-consuming, Frustrating
- X- Decreased productivity
- X- Less purchasing of system => Financial loss
- X- Lack of consistency gives no opportunity to use
previous experiences
- X- Conflicting experiences in mental models
can cause confusion