All 45 decision tools — searchable and filterable, every page open and free.
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Hard Choice Model
Determine what kind of decision you're facing — no-brainer, apples-vs-oranges, big, or hard.
Cynefin Framework
Match your response to the domain: simple, complicated, complex, or chaotic.
Reversible vs Irreversible Decisions
One-way vs two-way doors — calibrate how much analysis a choice deserves.
Reframing
Restate the problem from a different angle to be sure you're solving the right one.
Abstraction Laddering
Move up (why?) or down (how?) to find the right altitude for a problem.
SWOT Analysis
Map internal strengths/weaknesses against external opportunities/threats.
5 Whys
Drill into a causal chain by asking why until you hit the root.
Ishikawa Diagram
Map all potential causes across categories to see the full landscape.
Iceberg Model
Look beneath events to the patterns, structures, and mental models driving them.
Pareto Analysis
Find the 20% of causes behind 80% of the impact.
Issue Trees
Break a problem into mutually exclusive, collectively exhaustive sub-problems.
First Principles Thinking
Strip assumptions and rebuild understanding from fundamental truths.
Inversion
Ask what guarantees failure, then design to avoid it.
SCAMPER
Generate variations: Substitute, Combine, Adapt, Modify, Put-to-use, Eliminate, Reverse.
Zwicky Box
Combine dimensions of a problem in unusual ways to find novel solutions.
Productive Thinking Model
A structured six-step creative process from problem to action.
Decision Matrix
Score options across weighted factors to find a clear winner.
Six Thinking Hats
Examine a decision from six perspectives — facts, feelings, risks, benefits, creativity, process
Cost-Benefit Analysis
Quantify the economic trade-offs of each option.
Decision Tree
Map sequential outcomes with probabilities and expected values.
Scenario Planning
Construct plausible futures and test options across them.
Pre-Mortem
Assume the decision already failed; work backward to find why.
Second-Order Thinking
Map the consequences of the consequences.
Ladder of Inference
Trace reasoning from data to conclusion to catch hidden assumptions.
Conflict Resolution Diagram
Surface hidden assumptions behind opposing positions to find win-win.
Eisenhower Matrix
Sort tasks by urgency and importance — do, schedule, delegate, eliminate.
Impact-Effort Matrix
Sort by return on effort — high-impact/low-effort wins first.
Confidence Determines Speed vs Quality
Optimise for speed or quality based on confidence in the direction.
OODA Loop
Observe, Orient, Decide, Act — cycle faster than your environment.
Regret Minimisation Framework
Project to age 80 and choose what you'd regret least.
Connection Circles
Map a system's elements and the relationships between them.
Causal Loop Diagrams
Map cause-and-effect with polarity to show how variables influence each other.
Reinforcing Feedback Loop
The mechanism behind exponential growth and vicious/virtuous cycles.
Balancing Feedback Loop
The mechanism that pushes back against change to create stability.
Stock and Flow Diagrams
Model how things accumulate and change over time.
Concept Map
Visualise relationships between entities to build shared understanding.
System Archetypes
Recognise recurring structural patterns like Limits to Growth.
RACI Matrix
Clarify who is Responsible, Accountable, Consulted, Informed.
Delphi Method
Aggregate expert judgment through anonymous iterative rounds.
Minto Pyramid
Structure communication top-down — answer first, then grouped support.
Situation-Behaviour-Impact
Give clear feedback: situation, specific behaviour, and its impact.
STAR Method
Structure narratives — Situation, Task, Action, Result.
Nonviolent Communication
Express observations, feelings, needs, and requests without triggering defensiveness.
Active Listening
Reflect, paraphrase, clarify, validate — the receiving side of communication.
AI-Assisted Pre-Mortem
Assume it failed, red-team it with a model, ship a safer plan.