Rational + Intuitive

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Less present

Less present

Less present

A written trail you can review

When you write down your criteria and their weights, the decision can be reviewed later: you can see which assumption changed, instead of only saying that the decision did not work out.

Attention to factors that are easy to miss

Listing criteria before comparing lowers the chance that a decisive factor passes without being asked about, such as a hidden cost or the effect a year from now.

Willingness to revise on evidence

Because your decision rests on stated inputs, it may be easier for you to adjust when new information appears, so the discussion stays on the information and not on you personally.

A shared language with people who ask for reasons

When a manager, partner or funder asks why you chose an option, you have an ordered answer ready, which can save rounds of discussion.

A good fit for complex, costly decisions

The more variables a decision has and the higher the cost of error, the more useful your way of breaking it down and ordering it, since it turns one large decision into smaller questions that can be answered.

Matching depth of analysis to the size of the decision

You may apply the same depth to a small decision and a large one, spending hours on what would be settled in minutes.

Build a personal rule that links analysis time to the cost of error and to the possibility of reversing course.

Stopping the search for information at a declared point

The search may keep going because information is seldom complete, so preparation turns into a delay that nobody announced.

Decide in advance what is enough for you to commit, rather than what would complete the picture.

Giving weight to what cannot be measured

Decisions about relationships, belonging and meaning carry elements that do not show up in a table, and a table can make them look less important simply because they have no number.

Reserve a written line for what you feel but cannot measure, and treat it as a data point like any other.

Showing the reasoning along with the result

You may present a decision you reached with care without the path that led you there, so it looks sudden or arbitrary to others.

Present at least two criteria with every decision you announce.

Trusting a quick judgment when time is short

In an emergency or a short-lived opportunity, a full table may not be possible, and clinging to it can cost you the moment.

Define in advance the situations in which you allow yourself a quick judgment, and the minimum you will check before making it.

Workplace and Team

The people you work with may find in your work a clear reference: what the criteria were, which options were set aside and why, which makes the decision easier to follow and to carry out.

Someone who works at a fast pace may read your analysis time as delay, especially when they do not know when the analysis will end.

Open decision meetings with a sentence that sets the level: “This is a quick decision we close today” or “This one needs analysis, and we decide on such-and-such a date.”

Relationships and Family

On major family decisions such as housing, schooling or money, you may contribute by laying out the options and what each one costs, which helps a household that needs a clear picture.

Whoever shares the decision with you, whether a partner, a parent or a close friend, may feel that turning an emotional decision into criteria pushes away an important part of it, so the conversation feels like a test rather than a shared task.

Start the conversation by asking how each person feels before you show any table, and let the numbers come after each side has said what matters to them.

Personal Decision-Making

You may reach personal decisions you can defend to yourself later, which may soften self-blame if things do not turn out as you expected.

You may circle among many variables until the decision misses its window.

Write in one line the question your decision answers; if a variable does not serve that question, set it aside.

Organizational Change Management

When you estimate the effect of a change on different parties before announcing it, you may uncover risks that the first plan did not show.

A team waiting for clear direction may interpret a long analysis phase as hesitation on the part of the leader.

Announce three dates: the end of analysis, the end of consultation, and the start of implementation, then keep to them in front of the team.

Creativity and Problem-Solving

You break a large problem into parts that can each be handled, which helps with tangled technical or organizational problems.

A frame of criteria set early may rule out an unusual idea because it fits no criterion that was written before the idea appeared.

When facing an open-ended problem, ask a colleague to propose two options unlike what you are thinking, before you open the criteria table.

Month One: Where Your Analysis Time Goes

Find the decisions on which you spend more time than they need.

• For four weeks, note every decision that took you more than half an hour of thinking: what it was, how long it took, and what an error would have cost.
• At the end of each week, sort what you noted into decisions that deserved the time and decisions that did not, and watch whether the balance shifts from one week to the next.
• In the last week, write a short paragraph on the pattern: does it repeat with a certain kind of decision, such as purchases, work messages or social choices?

By month end: a written map of the kinds of decisions on which your analysis swells.

Month Two: A Trial of Shorter Analysis

Test whether shortening analysis on small decisions changes the outcome much.

• From the Month One map, choose two kinds of small decisions and give each half of its usual time for the whole month.
• After each decision, note in two words: did I regret it, and did the extra time I used to spend help?
• At the end of the month compare your notes: what actually changed between the long decision and the short one?

By month end: evidence from your own experience about where shorter analysis works.

Month Three: Bringing Others into Your Reasoning

Turn your analysis into something the people around you can use and correct.

• Show one important decision, with its reasons, to a trusted colleague or friend, and ask them to point to the weakest link in it.
• Ask those affected by your decisions, whether team or family: did the timing of the announcement suit them, or did it come late or as a surprise?
• Write your personal standard for sufficiency: in which cases you decide alone, and in which you ask someone else to review.

By month end: a written standard for sufficiency and a tested way of involving others in your reasoning.

The Proportion Table

Let the stakes, not habit, set how deep the analysis goes before you begin.

Draw three boxes: a decision that can be reversed at small cost, which gets ten minutes; a decision that can be reversed at a noticeable cost, which gets one page; and a decision that cannot be undone or that affects other people, which gets full analysis and a second reader. Place each new decision in its box, then begin.

Use it at the start of any decision that will take more than ten minutes.

The Three-Condition Stop Rule

Fix the moment of decision before the gathering begins.

Before starting, write when you will stop: when one option leads on the most important criterion, or when new information no longer changes the order of the options, or when the date you set arrives. Whichever condition is met first means you decide.

Use it on every decision that needs information gathering.

The One-Page Decision Sheet

Show the reasoning with the result, and keep what cannot be measured visible to all.

Fill five lines: the option chosen, the two most important criteria, what you ruled out and why, what you could not measure but still matters to you, and what would make you reconsider. Attach it to every decision you announce.

Use it on decisions that touch other people.

The Forecast Log

Calibrate your confidence in your analysis against your own results.

When you close a major decision, write what you expect to see after three months and after a year. When the date arrives, compare the forecast with what happened, and notice where the estimate went wrong: in the information, in the weights, or in the circumstances.

Use it at every major decision, and review it every three months.

Choose an environment that values written reasoning

Your style works at its best when what is asked of you is what you do well: analysis against criteria and documentation of the reasons, and a reader for what you write makes your effort visible.

When comparing opportunities or roles, ask: are the decisions here high-impact with information available, or fast and driven by instinct? This analysis is not used alone to accept or reject anyone for a job; it describes a tendency in your decisions within your context.

Agree a division of roles with a fast-judging partner

A partnership that declares in advance who decides when time is short protects the decision from waiting on an analysis that time cannot hold.

Agree in writing: decisions that can be reversed are settled by the partner within an hour, and anything else passes through you first.

Judge a decision by how well it was prepared, not by its result alone

A poorly prepared decision can succeed by luck, and a well prepared one can fail for reasons outside your reach; judging by the outcome alone may teach you the wrong lesson and lead you to abandon a sound method.

In any review meeting you take part in, propose that a decision be assessed by what was known and how it was weighed at the time, and only then by what happened afterwards, and change your method only if the flaw lies in the preparation itself.

Bring in an outside reviewer for decisions that cannot be undone

Careful individual analysis can carry an assumption you did not notice, and another reader sees what you have grown used to.

Choose someone who does not share your assumptions, and give them one question: what could make this decision wrong?

Turn recurring decisions into standing rules

Similar decisions use up the same analysis each time, and a written rule frees your time for the new ones.

For any decision that has come up three times, write a one-line rule. For example: “I buy without comparing anything under an amount I set in advance.” Then review your rules every six months.