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Top new questions this week:

How to present boolean options along with selecting exactly 1 of them as "primary"?

I have a situation in a web browser where I have a number (let's say 3-10) of alternatives to present to the user. The end user must choose at least one of these options to be enabled The end user ...

gui-design many-options  
asked by Jason S 31 votes
answered by maxathousand 86 votes

Why rounding odd font sizes to even?

Today I started implementing a design that had some copy text with font size 17px. My fellow web developer told me that we should round that to 18px and more in general that we should not use odd font ...

design css font font-sizes  
asked by user131683 24 votes
answered by Devin 17 votes

Is a split button valid without proper visual grouping

Split button is basically a button with a default action and several other actions which are shown in a drop-down menu. While there's no doubt in how it functions, the issue is with how the ...

asked by paulj05hua 3 votes

What do I do when my backend is not in sync anymore with what the user sees on the UI?

The Problem I have a live data feed Users load 50 items on the home page and click load more to scroll infnitely As new data comes in every minute, I also push this new data to each user via ...

usability user-behavior user-expectation real-time-updates  
asked by PirateApp 2 votes
answered by Pavlo Grubyi 3 votes

How to simplify tabular UI to more informative and simple UI

I have a screen on dashboard which gives the information of duplicate values identified basis the 5 values of the parent application in 7 categories. For Example, If a parent application's (i.e ID-1) ...

usability website-design interaction-design design-patterns dashboard  
asked by Mike 1 vote

Are there any standardized questionnaires available for asking adults about their opinion on the suitability of a system designed for children?

My team and I have developed an augmented reality app for children (primary school students). I would like to get their teachers' opinions about the usability of the system in the context of their ...

usability questionnaire children  
asked by Michael Andorfer 1 vote

How to explain the authorisation of the system to users

The problem I currently have is: users do not understand the authorisation of the system well (i.e. what a user can do in the system depending on his roles and other things, not to be confused with ...

asked by Sun 1 vote
answered by maxathousand 2 votes

Greatest hits from previous weeks:

Are carousels effective?

Go to just about any eCommerce site and the homepage is nearly guaranteed to feature a carousel - an auto-rotating panel, usually with some sort of small navigation, usually highlighting new product ...

website-design gui-design conversion carousel  
asked by Alex G 296 votes

How do you create a taxonomy for products?

I have the broader question, which is what is the definition of 'taxonomy'. What does it actually mean to create a taxonomy for something... Then I'd like to apply that to an example. Lets say the ...

information-architecture categorization taxonomy  
asked by Reloaded 18 votes
answered by Rumi P. 39 votes

Files size units: "KiB" vs "KB" vs "kB"

I'm working on a web app that will show the size of certain files, and I'm wondering if there's any consensus about how to report the units of bytes. Technically the IEC has weighed in with an ...

labels standards  
asked by Hank 64 votes
answered by Ben Brocka 60 votes

Is there any alternative UI for tree structure?

Is there any other better UI feature for tree structure to reduce the multilevel nodes.

asked by Basheer 91 votes
answered by robmclarty 127 votes

What's the purpose of "This page is intentionally left blank" we see in books?

What's the purpose of "This page is intentionally left blank" we see in books? Why not just leave the page blank and write nothing on it?

physical white-space books  
asked by talles 155 votes
answered by DasBeasto 138 votes

Why is the mouse cursor slightly tilted and not straight?

Is this a legacy thing or does a tilted cursor serves a purpose? I can tell that, the angle provides a totally vertical left edge which helps when highlighting text but what else apart from that? ...

interaction-design mouse cursor  
asked by Thanos 577 votes
answered by Bart Gijssens 703 votes

What's the point of a "Read full story" button?

I've noticed a lot of news websites, particularly on mobile, sometimes will cut off their story with a button you have to click to see the rest of it. I can understand why they'd do this if they ...

gui-design interaction-design user-behavior buttons  
asked by Hayden Schiff 49 votes

Can you answer this question?

When calculating PSSUQ scores, what happens with NA answers?

PSSUQ (Post Study System Usability Questionnaire) is a post-task measurement tool which is used to assess system's usability. Current, third version has 16 statements. Each statement has a likert ...

usability-study measuring pssuq  
asked by locationunknown 1 vote
answered by locationunknown 0 votes
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