Brainstorming template · Updated August 27, 2026
Brainstorming mind map template
This template protects the useful part of brainstorming: generating possibilities before the group starts judging them. It helps you collect ideas, show the assumptions behind them, group related options, and finish with a testable next action.
Copy this structure into your map
Center: specific question, problem, or opportunity
- Context: audience, situation, evidence, desired outcome
- Obvious ideas: the expected first options
- Unexpected ideas: reversals, analogies, constraints removed, extremes
- Assumptions: what must be true for an idea to work
- Constraints: time, budget, policy, capacity, technical limits
- Themes: grouped ideas and combinations
- Experiments: smallest test, owner, evidence to collect
Run the session in two modes
First, expand. Set a short time and add ideas without ranking them. Use the unexpected-ideas branch to avoid stopping at the first familiar answer. Add an assumption beside any idea that depends on one. Second, converge. Group related options, inspect constraints, and ask what can be tested cheaply. Keeping these modes separate prevents the loudest immediate objection from ending exploration too soon.
Example: improving a student orientation
Center the map on “make orientation less overwhelming.” Context includes new students, limited time, and the desired confidence outcome. Obvious ideas may include a welcome session and campus tour. Unexpected ideas may include a choose-your-own-path checklist, peer questions, or a short scavenger hunt. Group ideas into information, connection, and navigation themes. Then choose one experiment: test a peer-led checklist with ten students and ask what they could do unaided afterward.
End with a decision that can learn
Do not end on “we like this idea.” End with an experiment, owner, time boundary, and the evidence that will make the next decision easier. A good brainstorm produces a smaller uncertainty, not merely a larger collection of notes.
Questions to ask
- Did we separate ideas from evaluation long enough to get beyond the obvious?
- Which assumptions have not been tested?
- Which constraint is real, and which is only a habit?
- Can two partial ideas form a stronger combination?
- What is the smallest next experiment?
Use the project plan template once an idea becomes a commitment, or read the mind map maker guide for the core method.