when and how best to give feedback to users about invalid entries in data they have provided.

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4
votes
4answers
871 views

UI for multi-select with at-least-one requirement?

I have a field for which the user may select multiple responses, and is likely to be implemented as a drop-down with checkboxes. The user can select one, two, or many from the list of options. We're ...
5
votes
4answers
257 views

In-Line Form Validation - Checking for numbers in a persons Forename / Surname field

If a user enters numerics in their Forename / Surname field should this trigger the validation - the same as would occur if Alpha characters were entered in a Phone Number field? I would suggest that ...
20
votes
12answers
2k views

Should date validation allow “091011”?

Should I allow users to input the MMDDYY or MMDDYYYY format for a date? That is, should any date validation logic not trigger a validation error if the user just wants to put in the numbers without ...
3
votes
3answers
691 views

When and how to validate forms in a usability perspective?

I am implementing a business application and wounder what's the best way to validate forms, and when. An example is a form where three textfields where a currency amount is expected. A valid input is ...
3
votes
3answers
130 views

Are user able to accurately identify their persona? Or should the be able to?

We are currently developing Personas for our website and as part of the validation process we wanted to see if usability participants would be able to identify which persona segment they most closely ...
2
votes
2answers
208 views

Are there instances when Captcha / Human validation is more necessary during registration?

I am not particularly asking about whether or not Captcha within itself is good UX, but a more generalized question as to when human validation truly makes a difference in terms of a website's ...
21
votes
6answers
3k views

Disabled submit button on form vs allow submit then show errors?

We have a few different forms as part of a web-based medical application. These forms have quite a few fields - 10-20 depending on the form. Each has at least 5 or so required fields. We currently ...
11
votes
5answers
478 views

What would be the best way to let a user add a URL to a form?

Currently our webapplication simply shows a textbox with no validation at all. There is a small icon placed next to the textbox that allows the user to open the URL in a new browser window to check ...
18
votes
6answers
6k views

How to mark required (and optional) fields in a form where some fields are NOT editable?

I have a form showing properties of an entity in a web app: some of the fields in the form are read-only and some are editable. Within the editable fields, some are required to be filled with a value ...
9
votes
4answers
876 views

What is the best way to display date validation errors?

I am performing date validation on several forms. This validation includes making sure a date does not fall on a weekend, does not fall on a major holiday, is at least 3 business days from the current ...
14
votes
9answers
8k views

friendly format for Phone Numbers

Currently on my website users are required to input their phone number in a very specific format (555-555-5555). If you forget the dashes it breaks. Does anyone have a good suggestions for how to be ...
14
votes
7answers
1k views

Is it bad practice to mark a field as required but not really require it?

I have a customer who wants a form on his site to collect address information but does not want to lose customers who are reluctant to give that information. Since many people are simply lazy about ...
10
votes
5answers
689 views

Progressive Validation and Disclosure

I am trying to find an example of progressive validation. We have a UI for a a visual editor where a user does things like indicate dimensions in pixels or percent. The editor properties are in sets ...
7
votes
2answers
98 views

Showing completion but not validation

I'm working on a wizard-esque form that will have multiple steps. I'd like to show that you've finished a step. The catch is that we don't want to give the end-user the impression that the step is ...
9
votes
2answers
794 views

Generic clientside form validation

I'm the author of the jQuery Form Validation plugin, which I started writing in 2006. Since then I've put quite some effort into improving the default interaction, without the developer using the ...
31
votes
8answers
7k views

Is a confirm email address field still considered a best practice?

Having an input field to confirm an email address is pretty standard. However, I would like to know if using a confirm email address field still considered a best practice. The Email/Confirm email ...