For Roger Estall, who taught us never to compromise on logic.

The Universal Decision-Making Method

A decision-making method for leaders who need decision quality, not risk theatre.

For forty years, organisations have been told that "risk management" is the answer. Committees, registers, appetite statements, maturity assessments, certifications, consultants, and revision after revision of ISO 31000. After all that, the decisions that produced Enron, the 737 MAX and the Australian banking Royal Commission were made by people who'd signed the policies and ignored the registers. It is not what good Deciders actually do.

What good Deciders do, quietly and often without realising they're doing it, is follow the same five-step method. The scale changes. The steps do not.

01 Frame the decision

What is this decision for, what outcome is sought, and over what time frame?

Most decisions fail because the people making them never agreed on what they were deciding or why.

02 Develop options

What realistic alternatives are under consideration?

Don't commit to the first viable path. Produce several; the comparison improves the decision.

03 Recognise assumptions

What are you relying on being true, and which assumptions matter most?

Every option rests on things you believe to be true. Name them, then rank them by how much the outcome depends on each.

04 Sufficient certainty

Do you know enough to proceed? If not, rework what is unresolved.

Certainty has a price. The goal is not maximum confidence but enough that the outcome will support Purpose without wasting resources on diminishing returns.

05 Design monitoring

What will you watch, who watches it, and what triggers a response?

Monitoring is designed when the decision is made, not added afterwards. Telling staff when the decision will be reviewed gives monitoring a clear place in the work that follows. Without it, assumptions shift unnoticed and the decision ages blind.

The method is the working application of what decision science describes in academic terms: a single process that replaces the patchwork of decision-making frameworks most organisations default to. For how it applies across specific domains, see governance, group decisions, decision-making under uncertainty, leadership under pressure, strategic thinking, situation analysis, Five Forces analysis, PESTEL analysis, SWOT analysis, prioritisation matrix, data-driven decision making, change management, and balanced scorecard. For how the method compares to conventional scoring tools, see decision-making tools.

This tool walks you through those five steps for one specific decision you are making right now. A decision coach built on the method. The Decider is you. The method is the scaffolding. Your assumptions, ranked and recorded, are the actual work.

Try the method yourself.

Get the Decision Workbook and work through a real decision by hand.