Assumption Catalogue 

Quick exercise to reveal assumption held by the team.

Active Time

15 minutes


Preparation Time




Agree on priorities

Consensus on business fit




  1. Communicate the core content of the brief e.g. objectives, challenges, and expected output.

  2. Each individual in the group list all assumption that they hold on the information presented in the brief.

  3. In group, discuss the assumptions by trying to identify assumptions that need to be challenged, those that can be used as catalyst for ideations, and those that has to be removed from the discussion.

The exercise promote shared understanding on the assumptions held by each individual in the group. 


Articulate the brief clearly, and facilitate the group discussion by trying to probe deep into the hidden/subconscious assumptions.



  • Group assumptions