What are ideation techniques?

Ideation is the process of generating, developing, and communicating ideas. In design and product development, ideation sits at the heart of the creative process—it's the phase where teams move from understanding a problem to exploring potential solutions. Ideation techniques are the structured methods that make this process more productive and more likely to produce genuinely useful ideas.

Without structure, idea generation sessions often default to the first plausible answer, which is rarely the most creative or effective one. Ideation techniques push teams to think more broadly, challenge assumptions, and uncover possibilities that wouldn't surface through ordinary conversation.

Why structured ideation matters

When people are asked to generate ideas without guidance, they tend to anchor on familiar solutions and avoid suggestions that feel too unusual. This cognitive tendency—sometimes called functional fixedness—limits the range of ideas a team explores.

Structured ideation techniques counteract this by providing rules or constraints that redirect thinking. A well-chosen technique creates the conditions for divergent thinking: generating many distinct ideas before any evaluation takes place. This separation of generation from evaluation is one of the most important principles in creative problem solving.

Research in cognitive science consistently shows that idea quality improves when quantity is prioritized first. Teams that defer judgment and explore widely tend to arrive at stronger solutions than those that converge too early.

Common ideation techniques

Brainstorming

Brainstorming is the most widely used ideation technique. A facilitator poses a problem or question, and participants generate as many ideas as possible within a set time limit. The core rules—defer judgment, encourage wild ideas, build on others' contributions, and go for volume—are designed to create psychological safety and sustain momentum.

Traditional brainstorming works best in small groups of five to eight people. Larger groups can become unwieldy, and research suggests that nominal group technique (individuals generating ideas independently before sharing) often produces more ideas and greater variety than purely verbal group sessions.

Brainwriting

Brainwriting addresses a common problem with brainstorming: louder voices dominating the session. Instead of speaking ideas aloud, participants write their ideas on paper or a digital tool, then pass their sheets to a neighbor who reads the ideas and uses them as prompts to generate new ones.

This method gives every participant an equal voice, reduces social pressure, and produces a written record of ideas that can be reviewed later. It's particularly effective in teams where seniority dynamics might otherwise suppress contributions.

SCAMPER

SCAMPER is a checklist technique that prompts teams to look at an existing product, process, or service from seven angles: Substitute, Combine, Adapt, Modify (or Magnify/Minify), Put to other uses, Eliminate, and Reverse (or Rearrange).

Each prompt challenges teams to ask a specific type of question about what already exists. For example: What could be substituted in this process? What could be combined with something else to create new value? What could be eliminated without sacrificing core function?

SCAMPER is especially valuable when teams are iterating on something that already exists rather than building from scratch, because it gives systematic direction to improvement thinking.

Mind mapping

Mind mapping begins with a central concept placed at the center of a page or canvas, with related ideas branching outward in a non-linear structure. Unlike linear lists, mind maps surface connections between ideas and allow teams to explore the full landscape of a problem before narrowing focus.

The technique works well in early-stage ideation when the problem space is broad, or when teams want to understand the relationships between different aspects of a challenge before generating solutions.

How Might We questions

Developed at IDEO and widely used in design thinking, "How Might We" (HMW) questions reframe challenges as opportunities. A problem statement like "Users can't find information quickly" becomes "How might we help users find information in seconds?"

The phrasing is intentional: "How" assumes a solution is achievable, "Might" opens space for experimentation without commitment, and "We" signals a collaborative approach. HMW questions are often used at the start of an ideation session to define the scope of idea generation.

Analogical thinking

Analogical thinking asks teams to draw parallels between the problem they are solving and an unrelated domain. A team designing a hospital check-in process might ask how hotels manage guest arrivals, or how airports handle high-volume throughput.

By borrowing patterns from other contexts, teams can import solutions that are already proven elsewhere and adapt them to a new situation. This technique is particularly useful when teams feel stuck in conventional thinking.

How ideation fits into the design process

Ideation is most effective when it follows a well-defined problem statement. In design thinking, it typically comes after the Empathize and Define phases, once teams have a clear understanding of user needs and have articulated a point-of-view or problem statement.

The output of ideation is not a final solution—it's a set of candidate ideas that teams can prototype and test. Moving quickly from ideation to low-fidelity prototypes allows teams to evaluate ideas in practice rather than in theory, which is where the real learning happens.

Teams that invest in rigorous user research before ideation tend to generate ideas that are more relevant to actual user needs. When ideation is grounded in real observations—notes from interviews, patterns from usability sessions, or themes from qualitative data—the resulting ideas are more likely to address root causes rather than surface symptoms.

Combining techniques for better results

No single technique works best in every situation. Experienced facilitators often combine methods within a single session: starting with HMW questions to frame the problem, running a brainwriting round to generate initial ideas, then applying SCAMPER to push existing concepts further.

The goal is always the same: to expand the range of ideas under consideration before the team begins to evaluate and prioritize. The wider the exploration, the more likely a genuinely novel solution will emerge.