Index

Mental Models

Divergent vs. Convergent Thinking

Divergent thinking expands the solution space by generating multiple possibilities; convergent thinking narrows it by selecting the best option against criteria.

Separating idea generation from idea selection prevents premature closure and ensures the best option has a chance to surface.

Core question

Are we in the phase of expanding possibilities or narrowing to a decision — and is the team aligned on which phase we are in?

Example

In a product brainstorm, the team generates thirty feature ideas without critique (divergent). Then they score each against impact and effort to pick three to prototype (convergent).

How to apply

  1. 1.Explicitly declare which phase the group is in: diverge or converge.
  2. 2.During divergence, defer judgment and maximize quantity of ideas.
  3. 3.Switch to convergence with clear evaluation criteria.
  4. 4.Iterate: converge to a shortlist, then diverge again on implementation approaches.

Pitfalls

  • ·Critiquing ideas during divergence, which kills creative exploration.
  • ·Staying in divergence too long and never committing.
  • ·Skipping divergence entirely and locking into the first acceptable idea.

Questions

Can one person do both divergent and convergent thinking?

Yes, but not simultaneously. Timebox separate sessions: one for generating ideas freely, another for evaluating and selecting.

When is divergent thinking most valuable?

Early in a project, when redefining a problem, or when existing solutions are clearly inadequate. Divergence is cheapest before commitment.

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