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Questions tagged [efficiency]

the extent to which time or effort is well used for the intended task or purpose

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60 votes
7 answers
71k views

What should be the default option of a required dropdown list?

Given that there is no logically default animal from the list of animals below, what should be the "Default Value" below, according to best practice? <label for="animal">Animal (required):</...
Dolph's user avatar
  • 701
10 votes
2 answers
4k views

Whats is the best UI interface for permission?

I would like to know what is the best user interface to represent Multi-group inheritance permission. I am not sure the treeview is the best way to show permission. What should be the best UI ? ...
Cédric Boivin's user avatar
14 votes
3 answers
3k views

Elevator dispatch algorithm choice

We have a single elevator servicing an 8 level residential building. What might be the optimal elevator positioning algorithm to optimize user experience (primarily, wait time)? I was thinking ...
curious_cat's user avatar
5 votes
3 answers
305 views

Why not default a user's view to the middle of a sorted list?

Is there a compelling reason (besides convention) why a user's typical default view of a long sorted list is always the beginning of the list and not the middle? Assuming a random distribution of ...
Max E's user avatar
  • 416
3 votes
3 answers
2k views

How Many Clicks for Given Action?

I am designing a web app in which people can come in and rate "objects" and comment on them. I know that the easier it is for the user to perform the main activities the better, but I was wondering if ...
PedroC88's user avatar
  • 658
2 votes
4 answers
4k views

Using mixed radio and checkbox buttons - is there any efficiency or usability gain in the design?

I have noticed that many online forms and surveys these days are starting to use a mixture of radio and checkbox buttons for the same question, that is, for a question that gives the person a number ...
Michael Lai's user avatar
  • 27.7k
21 votes
7 answers
32k views

Should we ask for name on card even though it's not required for credit card payments?

The name on card is not used when processing credit card payments. Paypal does not ask the user to enter the name on card when saving a card to the "wallet", while Amazon.com does. The benefit of ...
F21's user avatar
  • 5,938
19 votes
5 answers
762 views

Will faster GUI always make one more efficient?

Are there any studies on whether one will actually get more done during a days work if delays went down i. e. from 10 ms to 5 ms for each update. My point is that if we are already working at the ...
David's user avatar
  • 415
14 votes
4 answers
3k views

Intuitive vs. Efficient: Which is more important?

When faced with a design decision in which one option is more intuitive, and the other is more efficient, what guideline should be used to prioritize one desideratum over the other?
Andrew Davis's user avatar
9 votes
6 answers
5k views

How could petrol forecourts be designed to improve efficiency?

I am always shocked when I go to a petrol station. The layout- in the UK, at least- seems to be fairly standard. But it always seems to me to be incredibly inefficient. These are the issues: When ...
Urbycoz's user avatar
  • 3,064