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| title | draft | sr-due | sr-interval | sr-ease |
|---|---|---|---|---|
| Lecture 11 Design Heuristics 2 | true | 2022-04-08 | 3 | 250 |
#review
Lecture 11 Design Heuristics 2
1 Show system status
-
show system stats
-
feedback depends on response time
- <1s just show outcome
- ~1s feedback that activity is underway
-
1s show fractional progress time
-
0.1 seconds --> feels instantaneusly
-
1 second --> about the limit for flow to be uinteruippted
-
10 seeconds --> the limit for keeping users attention
when:
- when action is requried
- show storage space
- making changes
- next steps --> user input required
- completion --> some task has finished
2 familiar metaphors and language
imitating familiar real life
Categories
- good
- bad
3 user freedom and control
wan tt ogive th user the feelin thtey can freelyi explore the app and the freeodm to control i it
- general flow
- undo/redo
e.g., 
e.g., 