Most useful survey questions for user research?

In your experience, what are the most important questions to ask in a survey for a product redesign?
Direct interaction with users is prohibited by my organization, but I have been allowed to conduct a simple survey by email…
What UI design patterns will emerge due to the iPhone 5’s larger screen?

“Simply increasing the content height” is exactly why the display is larger. The iPhone 5 is better for reading and writing than any previous iPhone.
Here are some examples:
- When writing, I can see a whole paragraph instead of sentences
- When searching w/ the keyboard visible, I can see 5.5 results instead of 3.5
- I can see 6 emails in my inbox instead of 4
- I can see 6 tweets at a time instead of 4
- I can read a whole additional paragraph in an email without having to scroll
If there’s one thing that I hope designers and developers take away from the increased display size, it’s that content is everything and the UI should do an even better job of getting out of the way.
Why do sites with a single sign-on system redirect to a login screen?

Why do sites such as Google / Youtube have a redirect to a login screen for their Single Sign-On systems. Is this an industry practice?
How can I deal with diverse gender identities in user profiles?

I’m trying to work out the wording for (preferably) a gender dropdown in a user profile of a site I’m working on. I want to be inclusive of people who don’t gender orient to either male or female ( http://en.wikipedia.org/wi…
How can I deal with diverse gender identities in user profiles?

I’m trying to work out the wording for (preferably) a gender dropdown in a user profile of a site I’m working on. I want to be inclusive of people who don’t gender orient to either male or female ( http://en.wikipedia.org/wi…
How can I measure why users never return to a web app?

I’m working on an application that’s been in use for the past 3 years. It’s a web-based product and we have been tracking its usage using Google analytics for the past 6 months (since the time I joined). Now I’ve been tasked …
How can I measure why users never return to a web app?

I’m working on an application that’s been in use for the past 3 years. It’s a web-based product and we have been tracking its usage using Google analytics for the past 6 months (since the time I joined). Now I’ve been tasked …
Does usability suffer if you don’t follow the iOS Human Interface Guidelines?

When you don’t use the iOS Human Interface Guidelines, usability will only suffer if your deviation doesn’t work well.
Following established patterns is always a good idea, but if your product would benefit from deviating from the established patterns then it’s worth doing. When you deviate it is not always going to result in a poor user experience, but the chances are higher, so you’ve got to test your new way of doing things on your actual audience to see if they find it to be a problem.