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| ===Memory=== | | ===Memory=== |
| If people need to remember a lot of information to use your program it is likely to be hard to use and error-prone since it is likely that these informations are forgotten. So as a rule of thumb: don
| | -STM |
| | Memory fades quickly. People can remember only a few items after they are gone away. |
| | So if people need to remember a lot of information to use your program it is likely to be hard to use and error-prone since it is likely that these informations are forgotten. |
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| | -LTM |
| | (learning new things) |
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| An example for this is a command-line interface. You need to rememeber specific commands for using it and retrieve them from memory. Was the command to show the files "show"? or "list"? or something else? We need to learn these specific commands and retreive them. There are even a lot of occasions when learning of specific function does not help. You need e.g. to rememeber what you copied into the clipboard or that you pressed the caps lock key.
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