4. The Password Game
• Form an even number of teams (4-7 people)
In order to prevent passwords from being guessed,
User must be forced to create strong passwords
• In your team, invent 3 rules for what makes a valid password
• Keep the rules secret from other teams
• Be imaginative, have a bit of fun
• Examples:
• “It must have an @ in it”
• “It must not be the name of a fruit”
5. The Password Game
• Create 3 examples (valid / invalid) that illustrate your rules
• Example:
apple
=> invalid
@pple
=> valid
tom@to
=> valid
• Pass your examples to another team next to yours
• Let them try to guess what your rules might be!
6. The Password Game
• Clarify with examples:
• As a guessing team, you can create new examples and ask them to be
checked by the team whose rules you’re trying to guess
• ONE example at a time
=> How many examples will it take to guess the rules correctly?
7. How was it?
• Examples are better than rules because…
• Rules are better than examples because…
• Rules without examples are like…
• Examples without rules are like…
8. • We need rules AND examples
• Use examples to illustrate the rules
9. The three Amigos conversation
User Story
Rules /
Acceptance
criteria
Examples
Questions
And more stories…
Shared
understanding
Empathy
11. Let’s try it!
Colin bought a kettle from us last week.
When he got home, he realized that the
color didn’t match his kitchen cabinets,
and it really bothered him.
So he has brought it back to the store for
a refund.
He walks up to Sally, a sales assistant, and
ask her to process the refund.
12. User Stories on YELLOW cards
As a Sales assistant
I need to be able to process refund
So that customers remain happy
13. Rules on BLUE cards
Any item can be returned within 14 days
as long as the customer has a receipt
14. Examples on GREEN cards
The one where
the customer forgot his receipt
15. Questions on RED cards
What if
the customer doesn’t have his receipt?