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Classic Aquarium

Engagement
Intensity
SUITABILITY FOR NARROW TOPICS
SUITABILITY FOR BROAD TOPICS
The Classic Aquarium format is suitable when the goal is to engage participants in discussion while keeping the conversation focused and outcome-driven.

How Does It Work? Format Description

Participants sit in a circle with four chairs in the centre—one for the moderator and three vacant seats. The moderator has prepared a structured discussion with key questions. Audience members take turns moving to the centre to participate in the discussion. Only those seated in the centre can speak, and anyone can replace a seated participant at any time.

What Do Discussion Participants Do?

Most participants act as observers for much of the discussion, but everyone has the opportunity to step into the speaker role, and typically, at least half do so.

What If There Are Invited Speakers?

There are no invited speakers by default, but this method can be adapted to include one. However, the invited speaker will not have as much speaking time as in other formats.

What Is the Moderator’s Role and Profile?

Strong content preparation is essential so that the moderator can effectively guide the discussion. Good improvisation skills are also beneficial, as conversations can evolve in unexpected directions.

Number and Profile of Participants

No prior knowledge is required, and there are no restrictions on the number of participants.

Preparation and Follow-up: Where Does This Format Fit?

The Classic Aquarium discussion can be easily integrated into various processes since it allows for clear objectives and structured outcomes. However, organisers must carefully define their goals and design the discussion with the moderator to ensure it leads to meaningful results.

If you need advice on selecting or implementing a discussion format, contact your discussion area coordinator.

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