Brainstorming Techniques: 12 Methods for Better Ideas

What Are the Best Brainstorming Techniques?

Brainstorming techniques are structured methods for generating a large volume of ideas before judging any of them. The best ones — brainwriting, mind mapping, SCAMPER, reverse brainstorming, and rapid timed ideation — work because they separate idea generation from evaluation, force quantity before quality, and give your brain a specific prompt to push against instead of a blank page.

That last part matters more than most people realize. "Think of something creative" is a terrible instruction. "List ten ways this product could fail" is a great one. Every technique below is really just a different way of converting a vague creative goal into a concrete, answerable prompt.

The term itself comes from advertising executive Alex Osborn, who popularized group ideation sessions in the mid-20th century with a few simple rules: go for quantity, defer judgment, welcome wild ideas, and build on what others say. Decades of research since have complicated the picture — classic free-for-all group brainstorming often underperforms people working alone — but the underlying rules still hold. The methods below are what actually works, for solo thinkers and teams alike.

How to Choose the Right Technique

Before the list, a quick way to narrow it down. Match the method to your situation:

No single technique is "best." The best one is whichever gets you past the two universal killers of ideation: premature judgment and social pressure. It's also fine — often ideal — to chain them: starbursting to sharpen the question, brainwriting to generate broadly, then SCAMPER to push the three most promising ideas further.

Solo Brainstorming Techniques

You don't need a team to brainstorm. In fact, working alone first often produces more and better ideas — group settings introduce waiting, self-censorship, and anchoring on the first idea said aloud. These four methods are built for individual creative thinking.

1. Rapid Ideation (Quantity Sprints)

Set a timer for 5–10 minutes and write down as many ideas as you can — a target of 20 or 30 forces you past the obvious ones. The first third of your list will be predictable. That's the point: you have to exhaust the clichés to reach the interesting territory behind them.

How to run it: One prompt, one timer, one rule — no crossing anything out until the timer ends. Judge later, in a separate sitting if possible. If you stall before the timer does, keep your hand moving by writing variations of your last idea; momentum matters more than novelty mid-sprint.

2. Mind Mapping

Write your central topic in the middle of a page, then branch outward: main themes first, then sub-ideas off each branch. Mind mapping works because it mirrors how associative memory operates — each node becomes a new prompt, so one idea genuinely leads to another instead of the list stalling after item six.

How to run it: Paper beats software for a first pass; drawing branches by hand keeps you loose. Aim for at least three levels of depth on your strongest branches.

3. SCAMPER

SCAMPER is a checklist of seven transformations you apply to an existing idea, product, or process: Substitute, Combine, Adapt, Modify (or magnify/minify), Put to another use, Eliminate, Reverse. It's the fastest cure for "I can't think of anything" because it replaces open-ended invention with seven specific questions.

How to run it: Take one existing thing and force at least two answers per letter. Fourteen ideas in twenty minutes is a realistic output, and two or three will usually be worth keeping.

4. Constraint Brainstorming

Paradoxically, tighter limits often produce looser thinking. Instead of "how do we improve this?", ask "how would we do this with zero budget?", "in one day?", "for an audience of children?" Constraints eliminate the paralysis of infinite options and force genuinely novel routes.

How to run it: Pick three artificial constraints, spend five minutes on each, then look for ideas that survive once the constraint is removed. This pairs naturally with the lateral-thinking exercises in our guide to how to think outside the box.

Group Brainstorming Techniques

Group sessions fail in predictable ways: the loudest person anchors everyone, junior people self-censor, and half the room is waiting to talk instead of thinking. Every method here is designed to defeat at least one of those failure modes.

5. Brainwriting (6-3-5 Method)

Everyone writes ideas silently before anyone speaks. In the classic 6-3-5 format, six people each write three ideas in five minutes, then pass their sheet to the next person, who builds on what they read. After six rounds you have 108 idea-builds with zero talking.

Silent generation is arguably the single biggest upgrade you can make to group brainstorming — research on group ideation fairly consistently finds that people generating ideas independently outproduce the same people shouting ideas into a shared room.

How to run it: Sticky notes or shared docs work if you don't have exactly six people. The non-negotiable part is silence during generation. Reading others' ideas between rounds provides the "build on it" benefit of talking without the interruption cost.

6. Round-Robin

Go around the circle; each person contributes exactly one idea per turn, no discussion, no skipping without a pass. It's simple, but it structurally prevents domination by one voice and forces contributions from people who'd otherwise stay quiet.

How to run it: Two or three full circuits, ideas captured verbatim on a board, evaluation strictly afterward.

7. Reverse Brainstorming

Instead of "how do we solve this?", ask "how could we cause this problem?" or "how could we make it worse?" Then invert the answers. Teams find failure easy and fun to brainstorm — cynicism becomes fuel — and each failure mode flips into a candidate solution.

How to run it: Ten minutes generating ways to guarantee disaster, then work through the list asking "what's the opposite, and is it actionable?"

8. Starbursting

Rather than generating answers, generate questions. Draw a six-pointed star around your topic and label the points Who, What, When, Where, Why, and How, then produce as many questions as possible for each. Starbursting is the right tool when the real problem is that nobody has defined the problem.

How to run it: Ban answers entirely for the first fifteen minutes. The discipline feels strange and is exactly what makes it work.

9. Role Storming

Brainstorm as someone else: a competitor, a customer, a regulator, a famous designer, a bored teenager. Adopting a persona lowers the social risk of odd suggestions ("that's what the customer would say, not me") and reliably breaks groups out of their default professional voice.

How to run it: Assign each person a distinct persona, generate for ten minutes in character, then compare which personas surfaced ideas nobody's normal self would have offered.

10. Worst Possible Idea

Deliberately generate terrible, absurd, or career-ending ideas. This flips the anxiety of a brainstorm — being wrong is now the assignment — and bad ideas frequently contain a reversible core. "Charge customers to file complaints" is awful; "make complaints so valuable we'd almost pay for them" is interesting.

How to run it: Fifteen minutes of proudly bad ideas, then mine each for what makes it bad and whether the inverse is useful.

Structured and Asynchronous Techniques

11. Six Thinking Hats

Edward de Bono's method has the whole group think in one mode at a time, signaled by a metaphorical colored hat: facts (white), emotions (red), risks (black), benefits (yellow), new ideas (green), and process (blue). Its value is preventing mode-clash — the person generating possibilities isn't being interrupted by the person hunting risks, because risk gets its own dedicated turn.

How to run it: A facilitator announces each hat and holds the group to it. Five minutes per hat is plenty; always end on blue to decide next steps. If someone raises a risk during the green (ideas) hat, park it visibly for the black hat rather than debating it — the parking lot is what keeps the method honest.

12. Async Brainwriting (Brain-Netting)

Post the prompt in a shared document or channel and give people 24–48 hours to add ideas on their own schedule. Asynchronous ideation suits remote teams, introverts, and any problem that benefits from sleep — ideas that arrive in the shower are real and this format captures them.

How to run it: State the prompt precisely, set a firm deadline, ask for a minimum contribution (three ideas each), and schedule a short live session only for clustering and voting — never for generating.

What to Do When the Ideas Won't Come

Sometimes no technique produces anything, and that's usually a signal rather than a failure. The three most common causes are a prompt that's too vague (fix: starbursting first), evaluation leaking into generation (fix: separate them ruthlessly, even by a day), and plain depletion — you can't sprint on an empty tank. If you're consistently dry across multiple sessions and methods, the problem probably isn't your technique; our guide on how to overcome creative block covers diagnosing and dissolving that deeper kind of stuck.

Making Any Technique Work Better

Whichever methods you adopt, four rules raise the floor of every session:

• Separate generation from evaluation — always. Mixing them is the root cause of most failed brainstorms. Judge tomorrow, or at minimum after a break.
• Set a quantity target, not a quality target. "Thirty ideas" outperforms "some good ideas" because it licenses the bad ones that lead somewhere.
• Write everything down verbatim. Paraphrasing an idea while capturing it quietly edits out its strangeness, and the strangeness is often the value.
• End with a decision. Cluster the ideas, vote or shortlist, and assign one concrete next step. A brainstorm that ends in a photo of a whiteboard and no owner produced nothing.

Brainstorming is a skill in the most ordinary sense: the tenth session you run will be dramatically better than the first. Pick two techniques from this list — one solo, one group — run them this week on a real problem, and keep what works.