Error Prevention Design Exercises
Explore hands-on “Error Prevention Design” exercises to sharpen your skills and level up your craft. Want more? Browse all search results

Exercise
User control and freedom

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Help users recognize and recover from errors

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Error prevention

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Avoid vague commands

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Placeholders

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Avoid double negatives

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Error state

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Place destructive actions away from other actions
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Add inline validation in forms

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Show an error message if necessary

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Errors in native apps
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Saving progress

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Typing confirmation vs. clicking a button

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Create helpful 404 pages

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Fix grammar and rewrite

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Offering support at the point of error

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Place reset link close to the password field
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Keep the error state visible till fixed

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Write clear and concise error messages

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Provide input masks to avoid errors

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Prevent errors from the start

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Meaningful error messages

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Allow users to enter information

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Make hints permanent

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Don’t make users feel bad

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When to autosave

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Reset the password

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Use human language

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Validate payment details

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Prevent errors before they happen

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Canceling or reverting changes

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Keep the input in default state

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What is an error message?
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Confirm intent to cancel

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Notify that changes have been saved

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Signal error after loss of focus

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Tell users what went wrong

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Shape intersection

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Predictive interfaces and anticipatory design

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Establishing ethical guardrails
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Articulating model constraints

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Designing for graceful AI failure
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Unpredictability and edge cases

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Avoid blaming labels

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Creating staging areas for AI outputs

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Action reversibility

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Writing error handling prompts

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Destructive buttons

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Understanding AI safety nets
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