diverge · Problem Solving · 60–120 min · 2-10 people · medium energy

First Principles Thinking

First Principles Thinking is a method for deconstructing complex problems into their most fundamental truths and then reconstructing solutions from the ground up. It encourages innovative thinking by challenging assumptions and uncovering core elements.

When to use First Principles Thinking

Use this method when facing a seemingly intractable problem or when seeking truly novel solutions that move beyond incremental improvements. It's particularly useful when existing approaches have failed or are based on outdated assumptions.

What it solves

Stuck in conventional thinking; applying band-aid solutions instead of addressing root causes; generating truly innovative ideas.

How to run First Principles Thinking, step by step

  1. Define the Problem (5 min). Clearly articulate the problem you are trying to solve.
  2. Break Down the Problem (20 min). Identify the underlying assumptions and beliefs related to the problem. Challenge each assumption by asking 'Why?' repeatedly (using the Five Whys technique).
  3. Identify First Principles (20 min). Distill the problem down to its most basic, undeniable truths – the first principles.
  4. Reconstruct a Solution (30 min). Starting from the first principles, build a new solution. Consider different approaches and combinations of elements.
  5. Test and Refine (Ongoing). Continuously test and refine the solution based on feedback and real-world results.

Materials needed

  • Whiteboard or virtual whiteboard
  • Markers or digital pens
  • Sticky notes (optional)
  • Timer

Facilitator tips

  • Encourage participants to challenge their own assumptions and beliefs.
  • Help the group stay focused on identifying the most fundamental truths.
  • Ensure the reconstructed solution is practical and feasible.

Common pitfalls

  • Stopping at superficial explanations instead of digging deeper.
  • Getting bogged down in irrelevant details.
  • Failing to challenge deeply held assumptions.

Variations

  • Use the 'Five Whys' technique more rigorously to uncover root causes.
  • Incorporate Socratic questioning to challenge assumptions and explore different viewpoints.
  • Combine with other problem-solving techniques like brainstorming or design thinking.

Running it online or hybrid

Use a collaborative whiteboard tool like Miro or Mural to visually break down the problem and rebuild solutions. Encourage participants to use virtual sticky notes and voting features.

What it produces

A clearly defined set of first principles related to the problem and a proposed solution built upon those principles.

Origin

Adapted from Untools — source

Build a session around First Principles Thinking

METODIC places First Principles Thinking inside a complete, timed session plan — agenda, worksheets, facilitator guide and slides — matched to your group and goal.

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