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3
votes
2answers
141 views

Enable Button Only to Give an Error? Or Show a Mysterious Disabled Button?

Currently our system is limited in that we only allow documents to be downloaded and not folders. Eventually we will allow the download of folders, but not in the immediate future. So right now if ...
1
vote
3answers
101 views

Should ergonomics be added to password strength meters?

After getting locked out of my account for typing in my password incorrectly several times in a row, I realized that the password I chose is too prone to typos and has resulted in locked accounts. It ...
2
votes
1answer
73 views

error prevention: link a Checkbox with its textfield

Right now I am developing a Fragment for an Android application in a university course and I am facing a usability problem, where I and my fellow students can't really find a good solution. The ...
12
votes
4answers
827 views

Text Field Validation vs Prevention

I've been having a debate (mostly with myself) over the best approach to deal with invalid input in text fields -- validation versus prevention. Taking a numeric text field as an example, is it ...
18
votes
2answers
806 views

Why does Stack Exchange require you to click to be turned down? [duplicate]

On any Stack Exchange site you can't vote for your own question. So, Why does it give you the option, and then reject your vote? Would it not be better just not to have the option? This way they are ...
5
votes
5answers
358 views

How to avoid accidental email sending?

I've had this problem a number of times: when writing an email, I accidentally click on the "send" button, thus sending an incomplete email. (E.g. in Outlook, the "send" button is alarmingly close to ...
3
votes
2answers
178 views

What should the default selected action be for destructive actions in a dialog?

When a user is about to perform a destructive action that cannot be undone, what should the default selected option be on the confirmation/warning dialog box? In this example, the user is about to ...
1
vote
3answers
193 views

How to properly guide a user not to cause an error?

We're developing a web application which has a feature to upload local files to a server. The application is developed using a rich web application framework called Vaadin The framework is very ...
12
votes
4answers
483 views

Should we try and avoid fail states at all cost or allow users to recover from fail states?

Today, I came across a site where the submit button to a login form was disabled unless you have filled in the username and password. Unfortunately, I could not reall the URL, but it looked like this: ...
22
votes
4answers
1k views

Is it good practice to warn users that capslock is enabled when entering passwords?

Most websites that I have seen don't warn users when they type their passwords with capslock on. Given that it is possible to implement that function, why is this not a common practice?
1
vote
1answer
173 views

When the user is inputting large numbers what can I do to reduce errors?

I am making a online-survey. One of the questions is : How much do you want to invest next year ? The numbers can vary between 1000 - 100000€. I provide a normal input textfield, but the ...