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© 2016 Dwellworks, LLC
Page 12
Lean & Agile Playbook v.2.01 – modified MAY2016
80% Rule
Teams can waste a great deal of time trying to get a concept perfect. In a lean/agile
environment it is okay to build out an idea to a sufficient point (80%) and then continue to
move forward with the discussion. The team can always go back and clean things up more
if time allows or if you need a precise definition, explanation, process map, etc. The 80%
Rule helps to get just enough information to make the idea useful.
Acceptance Criteria
Conditions that a story card, sprint, process improvement, new product, etc. … must
satisfy to be accepted as complete. Defines when a work item is completed and working
as expected. Acceptance criteria should state the intended outcome but not the solution.
As a: Bank Customer
I want to: Withdraw money from an ATM
So that: I don’t have to go into the bank and stand in line
Acceptance Criteria:
Customer is able to withdraw cash
from an ATM
*This example
demonstrates a basic
story card/user story with
acceptance criteria.