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I have a long sign up form with 16 fields. I've split that form into 3 steps by data category. User navigates through steps by pressing Back/Forward buttons.

How should I approach the field validations. Should I:

  • validate the field just when the user has finished editing it (or picking a value from the list) or...
  • validate the whole step, when user tries to proceed further?
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  • I have no studies or data to back this up, but I would prefer you validate at the end of the step. Commented Nov 29, 2011 at 17:10
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    Just remember that every time a user presses "next" and they get an error message they hate you a little more.
    – Zelda
    Commented Nov 29, 2011 at 21:21

1 Answer 1

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Inline validation is the way to go. It provides nearly instantaneous feedback on incorrect or missing information.

Validating once the user tries to proceed further will probably increase abandonment rate.

Imagine the 3 step form process to be a relationship with a person. It is better to solve problems immediately instead of waiting 3 months and go down a laundry list.

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  • What if user instantly clicks button "continue", without entering any values? Should I disable "continue" button by default?
    – Eimantas
    Commented Nov 30, 2011 at 18:27
  • Make sure that all required fields are clearly marked to reduce this problem. If the user still clicks on "continue" you should validate and show which fields are missing info. Commented Dec 1, 2011 at 0:53

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