Assumptions and scenarios · The assumption register · Element
The review
When each assumption was last checked, and whether it still holds.
The part
What it is
Assumptions do not announce their own failure. Nothing tells an organisation that a belief it formed three years ago has quietly stopped being true.
Reviewing the critical few annually is usually enough, provided the review is scheduled rather than triggered.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.
The other elements in the assumption register
The assumptions
What has to remain true for the goal to make sense.
LearnThe rating
How certain each assumption is, and how much rests on it.
Learn