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

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38
votes
7answers
44k 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):</...
10
votes
2answers
2k 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 ? ...
3
votes
3answers
919 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 ...
5
votes
3answers
181 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 ...
10
votes
5answers
6k 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 ...
8
votes
6answers
2k 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 ...
20
votes
5answers
681 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 ...
12
votes
3answers
2k 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 ...