Learn by doing · 3–5 minutes

Error-prevention lab

Which safety strategy fits each consequence?

Skill you will practise

Choosing constraints, confirmation or undo

1Change one condition
2Complete the same task
3Compare the outcome

Interactive experiment

Which safety strategy fits each consequence?

3–5 minutes
Safety strategy

Quarterly report

Shared with the Operations team · updated today

Turn the experiment into a decision

01

What happened

Constraints prevent invalid states, confirmations slow consequential actions and undo supports quick recovery.

02

Why it happened

Different mistakes carry different likelihood, severity and recovery costs.

03

Where to apply it

Publishing, payments, destructive actions, form input and bulk record changes.

04

How to validate it

Track prevented errors, unnecessary interruptions, recovery success and repeated mistakes.

Connect the evidence

Read the principle, then inspect its real product states.