← Back
T1W4L3

Data validation and constraints in UI design

Input design

Devotional (5 minutes)(click to expand)
Proverbs 15:1
“A gentle answer turns away wrath.”
Christian perspective

Clear, respectful prompts reduce frustration and conflict.

Secular perspective

Good UX reduces user errors and improves data quality.

Scenario

A form accepts any text for a date field, causing messy data.

How does poor validation harm the user and the system?

Lesson flow

OPENING5 min
Teacher
  • Review data dictionary and UI field mapping.
Students
  • Choose field types for 5 fields.
ACTIVITY15 min
Teacher
  • Create an input table: field, type, validation, example.
Students
  • Complete your input table.
WORKBOOK15 min
Teacher
  • Update wireframes with validation notes.
Students
  • Add validation notes to screens.
Workbook questions
  1. Create an input design table for 6–10 fields: field, UI control, validation, example value.
  2. Add validation notes to at least two wireframes (where errors appear and how users fix them).
WRAP5 min
Teacher
  • Exit: one validation rule you will enforce.
Students
  • Record rule.

Resources

No resources listed for this lesson yet.

IA1 Draft Checker

Write your own response first. This tool checks alignment with the IA1 marking guide and suggests improvements. It does not write answers.

Question
Create an input design table for 6–10 fields: field, UI control, validation, example value.
Dictation unavailable
Teacher tools
Loading teacher tools…