Stack Exchange

Nicholas Pappas

Seattle, WA

I have been working in the field of Usability, Human Factors, and Ergonomics for over 20 years.

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Top Questions
Top Answers
146
Why are aluminium soda cans typically round instead of square?
ux.stackexchange.com

135
Deletion: Confirm or Undo? Which is the better option and why?
ux.stackexchange.com

123
Should you always minimize cognitive load?
ux.stackexchange.com

94
Why do traffic lights have three separate light bulbs instead of having one?
ux.stackexchange.com

91
“people don’t know what they want until you show it to them”
ux.stackexchange.com

71
Will forcing response time to the average time as a minimum improve UX?
ux.stackexchange.com

60
What is the most dyslexia friendly font?
ux.stackexchange.com

58
Is there a universally recognizable “Download” button?
ux.stackexchange.com

44
Icon for “Remove All” getting confused with “Remove” - how to fix?
ux.stackexchange.com

42
Why do speedometers (in the US, at least) go so high?
ux.stackexchange.com

36
Why do styles guides have what not to do?
ux.stackexchange.com

35
When is it appropriate to require the user to type out the entire word “yes” rather than simply accept “y” at a command-line yes/no prompt?
ux.stackexchange.com

35
When a star-rating is right-aligned, should I fill the stars from right as well?
ux.stackexchange.com

31
What is the difference between Kinect for Windows and Kinect for XBox?
robotics.stackexchange.com

30
Using asterisk (*) vs required
ux.stackexchange.com

30
Material design - buttons raise, not depress
ux.stackexchange.com

24
Form validation and disabled buttons
ux.stackexchange.com

23
How can wiring systems be designed to not rely solely on colour?
ux.stackexchange.com

23
When does delete not mean delete?
ux.stackexchange.com

23
Why do some cars have the fuel door on the passenger's side?
ux.stackexchange.com

22
AngularUI-Bootstrap's Typeahead Can't Read `length` Property of `undefined`
stackoverflow.com

22
Serif vs. Sans Serif
ux.stackexchange.com

20
How to implement a scrollspy in angular.js the right way?
stackoverflow.com

18
How far do we go to protect users?
ux.stackexchange.com

17
Which way locks? / Which way is locked?
ux.stackexchange.com

15
Is it bad practice to remove fast forward and rewind transport controls on video player?
ux.stackexchange.com

15
How to maintain a total of 100%
ux.stackexchange.com

15
What is a wireframe deck?
ux.stackexchange.com

15
What is the difference between human factors and UX design?
ux.stackexchange.com

14
Get User To Click The Feedback Button
ux.stackexchange.com

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