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

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5
votes
7answers
962 views

Should we use “please” for validation messages for e-commerce applications

When we build an e-commerce application (most probably a web application), input validation is one of the core concepts of these type of applications. When the validation fails, we need to provide a ...
5
votes
4answers
279 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 ...
5
votes
2answers
293 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 ...
5
votes
5answers
634 views

What alternatives to calendars exist for inputing dates on websites?

Inputing dates is going through changes on the internet, and in web/user interface design as well. Currently, I'm implementing <input type="date">, as this provides excellent usability on mobile ...
5
votes
2answers
568 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 ...
5
votes
2answers
241 views

Form validation - When should error messages be triggered?

I'm working on a registration form with real-time inline validation. I'm wondering when we should trigger error messages: before, when the field is in focus and until the user has entered a valid ...
5
votes
1answer
61 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 ...
5
votes
4answers
401 views

Is it bad practice to scroll to a form validation error message on a mobile device?

On phones you can't always see required field error messages. So if you tap the submit button it will look like it's just sitting there because the error message is off screen. What is the best way to ...
5
votes
2answers
279 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: ...
4
votes
3answers
1k views

Norton Safe Web Verification — Impact on User

I have a client who insists on getting their website validated by Norton Security Verification and displaying the seal. However, I am skeptic and do not trust Norton products. I recall an impression ...
4
votes
4answers
141 views

Is required validation possible on a switch/toggle control?

Scenario I want to make sure a user has made a selection on a switch input. On page load it is either on (1 - in image) or off (2 - in image) depending on what state it is set to in the code. ...
4
votes
3answers
243 views

validation message placement

Is it better to have the validation message next to the label or the control? download bmml source – Wireframes created with Balsamiq Mockups Update: To be clear, I'm not referring to ...
4
votes
3answers
369 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 ...
4
votes
3answers
140 views

When should feedback be in-page and when should feedback be a separate screen?

I've seen feedback/confirmation on a separate screen for example when the user has submitted a form. Then the next screen they see: "congratulations you have successfully..." Then on other occasions ...
4
votes
4answers
1k 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 ...
4
votes
1answer
679 views

For non-special-character textbox, should I use inline validating message or block users from inputing invalid characters?

I have one textbox that means to allow no special characters. Now, I have to choose below approaches: Display inline validating message say something like "char * is not allowed" (A) or "Your input ...
4
votes
2answers
199 views

Validating Phonewords/Vanity Numbers

I am redesigning a system where the user can enter various contact details for associates via a personal details form. In this form there is a phone number input field. After a phone number is ...
4
votes
2answers
402 views

Best practices for data file upload error handling

I am currently revisiting a data upload field in our system. These files (csv, xlsx) contain thousands of rows, which can produce hundreds of errors. Currently, the way we handle this is to spit out a ...
4
votes
1answer
86 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 ...
4
votes
2answers
187 views

Does requiring manual entry with verification, as opposed to selection from a list of options, reduce data entry errors?

My apologies if this question is best suited for another SE site; I looked around and this seemed to be the best fit. The answer to the question will hopefully be a link or cite research. I am being ...
4
votes
1answer
164 views

What is the best way to handle a form with a Start Date and End Date?

What is the best way to handle a form with a Start Date and End Date? When selecting a Start Date greater than an End Date, which of the following is the best approach: Highlight the Start Date as ...
4
votes
1answer
188 views

Survey builder - How to handle users navigating away from questions in invalid states

I'm building an internal survey tool similar to SurveyTalent where users have a panel to edit questions. I have a requirement to make the question and however many visble answers required. What ...
3
votes
3answers
944 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
5answers
745 views

Instant field validation

When filling in a very long form which has instant field validation (and required fields are marked with an asterisk), should validation take place if user focuses the field and without typing ...
3
votes
3answers
577 views

When filling out a form to what extent should validation be done while the user is still typing?

I'm working on a registration form and it validates some parts while the user is still typing. For example, the username is being checked after each character is entered to see if it is available or ...
3
votes
4answers
310 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, ...
3
votes
2answers
2k 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 ]*$/
3
votes
4answers
121 views

Asking a user their Drivers License Number on a sign up form

download bmml source – Wireframes created with Balsamiq Mockups I already know this is terrible UX for the user but I wanted to get your feedback as I cannot find any examples or data to ...
3
votes
3answers
99 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 ...
3
votes
2answers
731 views

Mark input in forms as required even if all input is mandatory?

I looked up many questions and answers here regarding labeling mandatory input fields. The de facto standard is an asterisk * to mark input as required. Also the common approach is to mark the ...
3
votes
2answers
151 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 ...
3
votes
5answers
431 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 ...
3
votes
3answers
197 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. ...
3
votes
3answers
131 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 ...
3
votes
2answers
193 views

What is the right way and time to signal validation problems to the user?

I'm developing a GUI-based desktop application. In one dialog, the user can enter a couple of numeric values. The set of values must always pass certain validity checks. As an example, suppose ...
3
votes
1answer
123 views

Describing how to copy an email message to clipboard, visit site, and paste it into textarea?

A customer buys a product from an online store and receives an order confirmation email. My company receives commission for having referred that customer. We want to pay a bonus to the shopper (i.e. ...
3
votes
2answers
117 views

Why are assumptions in Lean UX written in the form of “we believe … to be true” and not in the form of “we do not know if …”?

A characteristic of Lean UX is writing down assumptions, which are then used as the basis for design. But should I not rather write down the things I don`t know, and which I want to learn from users?
3
votes
1answer
218 views

How to show validation messages on a modal/dialog form

We have a dialog as HTML/CSS based desktop window (Sciter based UI if that matters ) and there is a requirement to provide validation messages on it: Questions that we have: Is it in principle ...
3
votes
2answers
125 views

Best way to display contextual user entry errors in a tabbed html form

I have a web application that has a very large form. That form is split into several tabbed areas, which divide the entry of the data in to logical blocks. I have a single submit button outside the ...
3
votes
3answers
438 views

Validation on complex forms

I have a complex web form in CMS which consists of: few tabs; different elements on each tab; properties pane; components pane. The problem with validation is that not all UI elements are displayed at ...
3
votes
2answers
416 views

How to indicate required fields in columns in a table?

In a form indicating which fields are required are often indicated by a asterisk (*). How should I indicate that a column in an editable table contains required fields? One of the options is to add a ...
3
votes
2answers
90 views

Cross validation messages should be symmetric or asymmetric?

Lets let that there is a form in a popup window which contains the properties that are configurable for a chart and as you go on changing the values for the properties the underlying chart is ...
3
votes
1answer
6k views

Required field validation error message – Next to field vs. in a Popup

In our application, we mark all the required fields with an asterisk and when user tries to perform an action without providing values for all the required fields, we display an error message next to ...
3
votes
6answers
142 views

Form with scores and question weights

I have been tasked of designing a form which has X amount of set questions the customer can pick in a back end software. Each question has a point against it (which can be defined) and to complete the ...
3
votes
3answers
908 views

Best practice for desktop application input validation

I've been reading through some of the other questions tagged with validation and similar. We have a Windows desktop application (WPF) that has many textboxes contained in a dialog that need to be ...
2
votes
5answers
258 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 ...
2
votes
5answers
207 views

Soft “required” form field?

Has anyone ever seen or heard of this approach to a signup page? So the idea is the "Phone number" is not required, however when trying to submit the empty field you would get this message/option ...
2
votes
1answer
697 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 ...
2
votes
3answers
1k views

Amber outlined required field

As part of a system I'm currently working on users will need to fill out some large (40+ fields) forms, they will not always fill out all fields but are required to fill out a handful of core fields ...
2
votes
2answers
501 views

A method to display error validation in forms with severe space constraints

I am familiar with common form error validation techniques. However I would like to find a nice way to handle error messages in an interface with little room to spare. I'd like to show: Flag the ...