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

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1
vote
2answers
102 views

Is use of disabled option on select a good approach for showing existing invalid value?

Sample scenario to illustrate the type of problem I'm trying to solve: Online store has orders and in the order it refers to a product. Users can edit existing unsubmitted orders and one of the ...
0
votes
1answer
135 views

Is it a good idea to check if user has already registered an iCloud email and alert if they have?

I think checking coincidences between an user email with another email but with the @icloud.com extension would be a great feature to add on a registration process. This would be a great way to try ...
2
votes
2answers
100 views

what is the best way to show required fields for different actions on the same page?

I have a page to create orders on which the users can take any one of two actions - send to design and send for invoicing. Different groups of users take these actions in different order. The fields ...
4
votes
1answer
120 views

How can I validate an email account without leaving the checkout process?

Aside from the standard process in which someone receives an email to validate an account/registration to finish a signup process, is there any alternative/best practice that retains the user within ...
3
votes
2answers
220 views

Should I verify e-mail format in login form?

My B2B web app's login form has an email and password field. So far, I'm only checking if the fields are empty. I then make my authentication request, if there's a problem I return only one kind of ...
5
votes
1answer
74 views

Handling validation discrepancies between user mental model and domain model

I am implementing an image editing feature in a mobile productivity app. The feature is used to crop and rectify a camera image of a document. (This is also known as dewarping, straightening, or ...
3
votes
2answers
3k views

Should we allow special characters or numbers in name field?

I need a generic validation for first and last name field that will be used everywhere. Currently I'm using: /^[A-Za-z]?[A-Za-z ]*$/
15
votes
8answers
1k views

Is it ok to change the (US) address input field order in favor of a pre-fill feature?

I am working on an international site that requires the user to enter his postal address. I am wondering if it makes sense to have a slightly different order of input fields in favor of a time saving ...
4
votes
3answers
593 views

How should one communicate invalid/valid telephone numbers?

When filling in a form with real time validation and contextual help, how should one communicate the logic behind the telephone number validation? For example, then contextual help would give hints ...
1
vote
3answers
151 views

Is it ever useful to show the Password Requirements on page load?

I have a hypothesis that I have no idea how to test other than lots of observational testing, but perhaps someone has covered this already. On signing up to a new service and being presented with the ...
3
votes
5answers
544 views

Date Picker Wheels - When to validate?

This is a fairly simple question but may have wider-reaching answers: when is it appropriate to validate entry in a wheel-based date picker (such as the iOS standard ones)? Since there are three ...
7
votes
4answers
682 views

Why do web designers force users to enter credit card numbers without hyphens or spaces?

Credit card numbers on the cards themselves seem to follow a pattern--four clusters of digits separated by spaces. This seems to comport with "human factors engineering" that I think shows people have ...
1
vote
4answers
237 views

When should an input's validation message show on a form that has already been submitted?

So let's say that we have a form. This form has multiple inputs, many of which are required fields. Understandably, we should not turn a required input red and show a validation message before the ...
1
vote
2answers
88 views

Validation message when only one thing can go wrong

We have a very simple form overlay for adding items (let's say cars) to a list. There can only be one error, which is to enter a duplicate car name. We've had a rather split opinion on the team as ...
0
votes
1answer
116 views

Error message for “already submitted” in signup form

Consider a simple email signup for reference. Is it necessary to inform the user they've already submitted their email so long as the initial submission was a success and the server identifies and ...
2
votes
2answers
59 views

When should I prompt the user for duplicates entries?

We found a peculiar problem in our users when they enter their data. They tend to enter similar entries sometimes. I'll cite an example here. If there is a customer with the name ABC Electric ...
1
vote
1answer
222 views

Handling bad input in an autocomplete

Due to browser compatibility reasons and some issues with specific forms, in one of the products I'm working on we included a custom control for autocompletion of the Recipient field of an email ...
1
vote
1answer
113 views

Notifying users of incomplete data in hidden fields when moving orders from draft to submitted

Our website allows for submitting orders that are incomplete (drafts). Note that this is different from having invalid formatted data or what have you. When the user is ready to actually submit an ...
3
votes
5answers
510 views

Which user input validation approach is better: preventing or explaining? [duplicate]

Scenario: let's say we are talking about a simple form, which contains the following field types: All fields are mandatory. Number: only digits are allowed. Text: text must not exceed the maximum ...
1
vote
3answers
452 views

Should ZIP/postal codes be mandatory on web-forms? [duplicate]

Given that many jurisdictions (including my own) don't use postal codes, should the ZIP/postal codes be mandatory on web-forms? Additional info: I'm a web developer building ecommerce sites, and ...
1
vote
3answers
389 views

When should I validate that the password in a confirmation field matches the first password entered?

If a user creation page has a field where you are asked to re-enter your password, when should the page validate that the second password matches the first? I do not have control over whether or not ...
5
votes
2answers
337 views

What's better UX: Letting users completing a form with errors marked inline? Or, block the rest of the form as soon as there´s a wrong field?

I'm using inline validation (on blur) as soon as the user clicks/tabs another field. Is it good to block the rest of the fields (previous and following) when a field is validated? The case is: ...
0
votes
1answer
73 views

displaying required field indicators based on action

One of my requirements is to let the users know which fields they are required to fill before they can take an action. The users can take one of three actions save, submit or approve and the required ...
0
votes
2answers
2k views

Bad error message for required field: “Please enter value”

I just watched someone struggle with a form. The form was part of a normal online shop. It had reloaded after submitting, annotating the required field for the phone number with a red text above, ...
0
votes
3answers
168 views

Textfield validation - persist, ignore, correct or delete?

I'm working on a desktop application that has text fields and other form elements scattered on various pages. A global save button saves all inputs from all pages. Since the textfield format/error ...
8
votes
4answers
1k views

Field that doesn't allow spaces - giving correct feedback

On our mobile app's login screen we have three fields, the last of which is used to build up a URL. Since spaces isn't a good idea for the hostname part of a URL the user input must be sanitized ...
0
votes
2answers
162 views

Types of tool tips [closed]

I'm designing a checkout flow for an e commerce website and I need to come up with a set 3 kind of tool tips. while they will look similar they will have variations for the following for providing ...
1
vote
1answer
192 views

Would it be bad to display missing fields before the user clicks submit?

Imagine a form where the user has some required fields, and after scrolling down a way hits the "submit" button. On most forms I've seen, trying to submit with missing required fields will trigger ...
39
votes
4answers
4k views

Should I empty the wrongly filled fields or leave as user has filled after validation message?

In our mobile applications (intended for Android and iOS platforms), we have fields that should be filled by users. If the user fills the field not in required format what should I do show the ...
-2
votes
3answers
78 views

Why do websites disallow the plus sign in e-mails [closed]

This question was covered under the security site where it was determined that there is no security implications for allowing + signs in e-mail addresses, so I would like to ask from the UX point of ...
3
votes
3answers
111 views

How much information should you show the user when his input is invalid?

Assume you have a website that makes several checks on user-generated input. A few examples example from my current assignment: the Belgian version of an SSN is validated using the user date of ...
0
votes
3answers
1k views

Error message for “Invalid Username”

As per "UX guidelines" what should be the error message for a dimmpley Login for having 2 basic fields "Username" & Password. So if a User Enter a username with "Space or special ...
32
votes
12answers
7k views

How to clearly state to the User what characters are valid

I'm trying to determine the best way to inform the User that an input accepts certain special characters. Alphanumerics are simple enough, but I feel like I'm losing clarity when I get to characters ...
0
votes
3answers
49 views

Should I support legacy input formats past the transition period in a newly designed application?

We're currently working on a new product that extends a 3rd party product. The product needs to store the bank account number of employees. The product is aimed at Belgian enterprises, and since ...
0
votes
3answers
219 views

force a user to fill out a check box so they don't skip the question

I have a form which asks: Are you, or is anyone in your household employed in the following areas? Healthcare Manufacturing Media etc. This would of course be check boxes, but my client is ...
5
votes
2answers
837 views

Inline validation icon usability

I have been looking at the styling for validation of input forms of Bootstrap, and wondered if there was a specific reason for where the icons used for inline input validation is positioned. I ...
11
votes
5answers
928 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 ...
2
votes
1answer
279 views

When can we stop assuming that a 2 digit year starts with 19

If the user inputs only 2 digits, should I assume that they mean 19XX? I have inline validation that validates a given range (eg 1900 - 2014), but if they type in 13, does it mean 2013 or 1913. Some ...
1
vote
2answers
412 views

Mobile: Text Field Hint best practices

On our desktop website we have a registration form. The registration for when entered provides the user with a field hint with further information on the field and any special requirements (password ...
3
votes
1answer
885 views

Why do so many forms use input masks in for input fields?

To be honest, I find input masks annoying. Different masks on different sites sometimes work differently, such that their behavior unpredictable and it actually makes me take more time to type out ...
3
votes
4answers
337 views

How to deal with superfluous numbers in input text fields?

I'm working on input textfields for lab assistants, e.g. a textfield to enter a temperature value (in a custom designed UI, not a web-site). Users don't have to enter the Celsius or Fahrenheit unit, ...
13
votes
4answers
1k 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 ...
5
votes
2answers
312 views

“soft” error messaging. Is that a thing? Precedence?

We're on a project where the concept of a 'soft' error for a web form came up. It's an interesting idea, but I can't actually think of an example of it being used in the past, so perhaps it's not a ...
8
votes
5answers
7k views

Where is the best place to show validation/error messages in a form? [duplicate]

Where is the best place to show validation/error messages in a form? Beside a field? underneath a field? Reserve an area on the top/bottom of the page, and show any error/successful message there?
3
votes
3answers
215 views

How to present a form where all fields are optional but at least one must be filled out

I have a form like this: The user must fill in the first or third field. They can also fill out two fields or all fields. Essentially they need to provide a link or comment for the form to submit. ...
1
vote
1answer
205 views

How should I formulate a validation error message for a number field?

How should I formulate a validation error message for a number field? A number is expected. A number is required. The value should be a number. Number is not valid. Invalid number. Value is not a ...
1
vote
3answers
185 views

For landing page A/B testing, how do you recruit from a niche market?

I'm currently working with a client that has not launched the full website yet, but is A/B testing ads to drive member acquisition. The ads direct users to a landing page that collects user e-mails. ...
1
vote
1answer
124 views

Validations across multipage form

I have a quite complicated, multi-page form within my ruby on rails application (built with wicked gem). My model have two fields which are being validated against each other - date_of_birth and ...
1
vote
1answer
342 views

Best way to integrate validation errors and hints into web form

I'm creating a web form and have followed the best practices laid out here and on other UX sites so far. The one decision I still have to make is regarding the display of error messages and input ...
2
votes
2answers
375 views

How Should Mobile Validation be Designed?

While designing the front-end for a responsive website project I came upon an issue dealing with displaying validation on mobile. In past un-responsive practices, if an input was required a little ...