Divergent Thinking: Generating Many Ideas
Generating quantity, separating ideation from judgment, and why group brainstorming disappoints
What is divergent thinking and how do you generate more and better ideas?
Divergent thinking is generating many varied ideas before judging any of them — the opposite of converging on one answer. The most reliable practical principle is to separate idea generation from evaluation. An honest caveat: traditional group brainstorming usually underperforms the same people working alone and pooling ideas, due to a documented productivity loss.
Divergent thinking is the generative half of creativity: producing many, varied, original ideas before narrowing. The durable, well-supported lever is separating generation from evaluation — judging too early kills volume. The honest complication is that the classic group brainstorm, despite its popularity, tends to produce fewer and worse ideas than the same people generating alone, a finding replicated for decades. Below are practices that respect both the lever and the caveat.
Practices
- Defer judgment during generation
Generate ideas with no criticism, then evaluate in a separate pass.
- Go for quantity first
Aim for a high number of ideas; the best ones tend to come later in the list.
- Brainwrite instead of group brainstorm
Have people generate ideas silently and individually first, then pool and build.
- Use SCAMPER and other prompts to vary ideas
Apply structured prompts (substitute, combine, adapt, modify, etc.) to push ideas in new directions.
- Balance divergent with convergent thinking
Treat creativity as two phases — open up to generate, then close down to select.
- Cross-pollinate from distant domains
Pull ideas and analogies from fields unrelated to your problem.
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