84 votes
Accepted

Are there any guidelines concerning the use of Alt, Ctrl and Shift keys?

The Microsoft's Guidelines for Keyboard User Interface Design says: Use the following guidelines for designing shortcut keys: Assign simple and consistent key combinations. Make ...
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  • 16.1k
40 votes
Accepted

What is the reason arrows are interpreted as direction?

Arrows have been an indicator of direction for so long that it's hard to say for sure, but my guess would be that an arrow fired from a bow only has one direction it can go, lending ease of ...
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  • 1,383
38 votes

What is the reason arrows are interpreted as direction?

Is the arrow symbol truly universal? The United States launched two spacecraft in 1972 and 1973 with a message for any alien species that might encounter them. The message was specifically designed ...
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  • 15.7k
30 votes

Are there any guidelines concerning the use of Alt, Ctrl and Shift keys?

The UI guidelines are a great start - but are also just that - guidelines. You need to do your research as well. Standards: Research what are accepted standards. e.g. Ctrl+S for Save. Familiarity: ...
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29 votes

What is the reason arrows are interpreted as direction?

Just to offer an alternative hypothesis, the fact that the basic shape is two lines converging on a single point, might have something to do with perspective: In this case the sense of direction is ...
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  • 4,763
21 votes

Is there a standard "to left justify text and right justify numeric values."

Yes, this is a "standard". I am >25 too and I know where to look up this guideline :-) This is guideline 2.3/16 in: Smith S. L., Mosier J. N. (1986) Guidelines for Designing User Interface Software (...
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21 votes

When (if ever) should links be opened in a new window?

It's a heated topic to be sure, but the best insight comes from understanding the usage and intent of a user clicking a link and specifically how this relates to the work at hand and what is going on ...
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  • 635
18 votes

Visually show "File cannot be dropped here"

Why don't you try something like this. Once the user clicks on the item to drag just highlight the valid and invalid sections like above. I would suggest you do it as soon as user clicks (before ...
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15 votes
Accepted

Is there an accepted or commonly applied UX practitioner's code of conduct/ethics guide?

There is some interesting academic work surrounding ethics and user experience, even though I have not come across a formal/industry "code of ethics" for UX practitioners specifically. There ...
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  • 3,580
12 votes

Should we use 'Title Case' or 'Sentence case' for headlines and buttons?

Aside from the case that has been made for improved readability, I also argue for sentence case it on the grounds that it's an easier rule to remember for people actually implementing (graphic ...
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  • 311
12 votes

Visually show "File cannot be dropped here"

One idea: when the dragging starts, gray out the box and then if the user does drag over that region, make sure the mouse cursor indicates (red circle with a cross?) that region can't be dropped on. ...
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10 votes

Warning message on a successful action

This file will be uploaded even if there are warnings because the warnings are solved by the application itself. By referring to your sentence above, would it be worth allocating that much of space ...
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  • 16.1k
10 votes
Accepted

Should Up Arrow increase the value or decrease it?

You should consider kicking the people out of your team that think "arrow down" should increase the number from 0 to 1. Of course arrow up should increase and arrow down should decrease, i don't ...
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9 votes

Visually show "File cannot be dropped here"

The "OS X Human Interface Guidelines" on drag-and-drop can be found here: https://developer.apple.com/library/mac/documentation/userexperience/conceptual/applehiguidelines/TechnologyGuidelines/...
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9 votes

What is the recommended minimum characters limit for auto-complete/filter?

Frankly, this is contextual. For a single word, generally 2-4 letters are kept as minimum to initiate the auto complete feature. There are at least two reasons for this. One being the performance as ...
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  • 3,035
9 votes
Accepted

First character of table column name in upper case

In English it is standard practice to capitalize each word in a heading. It looks "wrong" to native English readers. However this is not necessarily the case in other languages. If your target ...
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  • 6,621
9 votes
Accepted

Warning message on a successful action

The process is successful, but there are warnings detected What you have is Notice1 + Notice2 + Action. Product upload successful + There were warnings + View warnings The examples you propose ...
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  • 16.7k
8 votes

What is the significance of the three dots "..." on menus and buttons and how to use them right?

From the article: How to Use Arrow and Ellipsis Affordances Sometimes a button or menu option will open a modal window instead of completing an action. An ellipsis affordance tells users this is ...
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  • 81
8 votes
Accepted

Are there any laws (in the UK) which require accessibility guidelines to be followed on a website?

Yes, the Equalities Act 2010 (previously the Disability Discrimination Act) is such a law in the UK. And it has been used before for prosecuting companies offering poor accessibility (generally for ...
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  • 36.9k
8 votes
Accepted

Best practice for truncating similar titles in data grid?

Truncate the titles so that meaning can be derived from both ends. Use case: SomeBrandname Chocolate SomeBrandname Bread SomeBrandname Tea Split it 8:6 (total length is still 14) Truncated becomes: ...
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7 votes

Is there an accepted or commonly applied UX practitioner's code of conduct/ethics guide?

The User Experience Professionals Association (UXPA) has a Code of Professional Conduct for UX practitioners, with oversight provided by an Ethics Advisory Committee. The code is designed to "...
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  • 14.2k
7 votes
Accepted

List versus table design

1) One important aspect is that a tile layout makes it easier to analyse the items one by one (a) while a table makes it easier to compare the items (b): a) The power of getting all the data around ...
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  • 630
7 votes

At which point are ethical guidelines and practices applied in a UX design process?

Ethics and UX are on the same side. It's kind of a non-issue. Because the objective of UX, always serves the interests of the users. The point where UI starts to confuse users and tricks them into ...
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  • 2,152
7 votes

Best practice for truncating similar titles in data grid?

Some approaches to truncate a long text could be: Use two lines, where necessary. Use the ellipsis in the middle of the name, or in the less significant part. Use two ellipsis, one at the beginning ...
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  • 16.7k
7 votes

Best way to display a key-value list with material design?

If you wanted a strict key value list, the data table guidelines are the most fitting. To bring out one column over the other, feel free to bold it or make it a disctintly lighter gray (not light gray,...
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  • 2,688
6 votes

Should we use 'Title Case' or 'Sentence case' for headlines and buttons?

Title Case for Headings and Buttons It's easier and faster for users if they can to identify the shapes of words. "We recognize words from their word shape." also called the Bouma Shape. Read ...
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  • 4,126
6 votes

Visually show "File cannot be dropped here"

When you can, be redundant in your feedback. In this case you have 2 significant elements, the dropped item and the drop receiver, and both of those can provide feedback, get lighted up or tuned down....
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  • 11.5k
6 votes
Accepted

Visually show "File cannot be dropped here"

I would recommend using positive UI feedback to tell the user where dropping is allowed. For any specific selection, there are usually one or two regions which are valid drop targets. Highlight those ...
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  • 188
6 votes

What is the reason arrows are interpreted as direction?

I think the Arrow symbol is pretty universal, even without spears or perspective. Easy task: Specify a certain point / direction with colour on a wall. If you just paint a Dot it is hardly visible. A ...
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  • 2,020
6 votes

Universal Human-Interface Guidelines

Yes, there are two universally accepted academic UI guidelines: Nielsen usability guidelines and Shneidermann's Also, a you can use the Hicks law and Fitts law. However, you said the "minimum ...
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