The nominal group technique (NGT) is a structured method for generating ideas and reaching group consensus, designed to give every participant an equal voice. Unlike traditional brainstorming where the loudest voices often dominate, NGT uses a sequence of silent idea generation, structured sharing, focused discussion, and anonymous voting to produce a ranked list of priorities or solutions. It’s widely used in business, healthcare, education, and project management whenever a team needs to make a decision together without the usual group dynamics getting in the way.
How the Process Works
NGT follows a clear sequence of steps, typically facilitated by one person who keeps the group on track. The entire process can run in under an hour for a single question, though more complex topics may take longer. Here’s what each stage looks like in practice.
State the problem. The facilitator presents a single, clearly worded question or problem to the group. Everyone needs to understand exactly what they’re responding to before moving forward. This focus on one question at a time is central to how NGT works, and it’s also one of its constraints: each round addresses only one issue.
Silent idea generation. Each participant spends 5 to 10 minutes writing down as many ideas or solutions as they can think of, working independently and in silence. No talking, no sharing, no peeking at someone else’s list. This step is what makes NGT fundamentally different from open brainstorming. People who think better in quiet get the space they need, and nobody’s ideas are influenced by what someone else says first.
Round-robin recording. Going around the group one person at a time, each participant shares a single idea aloud. The facilitator writes it on a flipchart or whiteboard where everyone can see it. No discussion is allowed during this phase, not even clarifying questions. If someone doesn’t have anything new to add on their turn, they can pass and come back in a later round. This continues until everyone has passed or the group has hit a time limit. An important detail: participants can share ideas that came to mind during the round-robin itself, not just what they originally wrote down.
Group discussion. Now the group talks through each idea on the list. The goal is to clarify meaning, ask questions, explain reasoning, and note agreements or disagreements. The wording of an idea can only be changed if the person who suggested it agrees. Ideas can only be removed from the list if everyone unanimously agrees they’re duplicates or irrelevant. The group may also combine related ideas into broader categories.
Voting and ranking. Each participant privately ranks or scores the ideas, typically by assigning points to their top choices. The facilitator tallies the scores, and the idea with the highest total ranking becomes the group’s top priority. This voting is usually done on paper or cards rather than by a show of hands, which reduces social pressure to go along with a manager’s preference or the majority’s early leanings.
When NGT Works Best
NGT is particularly useful in situations where normal group discussion tends to break down or produce skewed results. If some team members are much more vocal than others, the structured turn-taking ensures quieter members contribute equally. When a topic is controversial or emotionally charged, the silent generation and anonymous voting phases lower the temperature and keep the focus on ideas rather than personalities.
Teams that are newly formed also benefit from the structure, since people who don’t know each other well are often reluctant to speak up in open discussion. The same applies when a group has struggled to generate a sufficient quantity of ideas through traditional brainstorming. The silent writing phase consistently produces more ideas per person than open conversation does, because participants aren’t waiting for a gap in the discussion or self-censoring before they speak.
In practice, organizations use NGT for things like prioritizing project requirements, identifying quality improvement targets, setting strategic goals, and making resource allocation decisions. For example, a software development team might use it to rank user requirements for a new system, with each team member assigning point values based on estimated importance or effort. Healthcare teams use it to reach consensus on clinical guidelines. Educational institutions apply it to curriculum planning and needs assessments.
Why It Outperforms Open Brainstorming
Traditional brainstorming has a well-documented weakness: it tends to reward confidence and speed over quality of thinking. The first few ideas shared in an open session anchor the conversation, and group members often self-censor ideas that feel too different from what’s already been said. This is sometimes called “production blocking,” where people lose or abandon their own ideas while waiting for a chance to speak.
NGT addresses this directly. The silent generation phase means everyone develops their ideas independently before hearing anyone else’s. The round-robin format guarantees each person’s contribution makes it onto the shared list. And the anonymous voting prevents the group from simply deferring to the highest-ranking person in the room. The result is a process where introversion, junior status, or minority viewpoints don’t automatically get sidelined.
Limitations to Keep in Mind
NGT isn’t the right tool for every situation. It works best with small groups. Once you get beyond about 9 or 10 participants, the round-robin phase becomes tedious, and discussion time per idea shrinks to the point where it’s not very productive. For larger groups, you’d need to split into smaller subgroups and then combine results, which adds complexity.
The technique also requires a trained facilitator who can keep the group disciplined through each phase. If participants start debating during the round-robin, or if the facilitator allows one person to dominate the discussion phase, the method loses its core advantage. Some participants find the rigid structure frustrating, especially people who are used to free-flowing conversation and feel that limiting discussion stifles creativity.
Because each round of NGT focuses on a single question, complex problems that involve multiple interrelated issues may need several rounds to address fully. This can make the process time-intensive when the scope is broad. Good preparation matters: a poorly worded question leads to scattered, unfocused ideas that are difficult to compare during the voting phase.
Running NGT With Remote Teams
The technique translates well to virtual settings with a few adjustments. The silent generation phase works naturally over video calls since participants are already typing in their own space. For the round-robin phase, the facilitator can call on people one at a time while recording ideas in a shared document or digital whiteboard that everyone can see. The discussion phase works through standard video conferencing, and voting can be handled through online survey tools or polling features that keep responses anonymous.
Researchers have adapted NGT for virtual environments using free or low-cost digital tools, keeping the core structure intact while replacing flipcharts and paper ballots with their digital equivalents. The key is maintaining the separation between phases: participants need to know clearly when they’re in silent generation mode versus discussion mode, which takes slightly more facilitation effort when everyone is on a screen rather than in the same room.
How To Get Started
If you want to try NGT with your team, start with a single, specific question that the group needs to resolve. “What should our top three priorities be for the next quarter?” works well. “How do we improve everything?” does not. Gather your materials: paper and pens for each participant, a flipchart or whiteboard, and markers. For virtual sessions, set up a shared document and a polling tool before the meeting.
Brief the group on the rules before you begin, especially the no-discussion rule during round-robin. Set a timer for the silent generation phase (start with 7 minutes and adjust based on the complexity of the question). During voting, have each participant privately select their top 3 to 5 ideas and assign points, with the highest points going to their top choice. Tally the scores transparently so the group can see how the ranking emerged. The entire process typically takes 45 to 90 minutes for a single question, and the output is a clearly prioritized list that reflects the genuine input of every person in the room.