How to Make a Hard Decision Without All the Information

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Updated 28 October 2026 · Published by Loopless Mind, the editorial site of the unLooper app's developer. Educational content, not medical advice.

Three stops past where you meant to get off

An illustrative example: Maya is on the upper deck of the number 38 bus, phone in hand, rereading an email she has already read nine times. A company in Manchester has offered her a role that is a clear step up. She has until Monday to say yes or no. What she does not know is the part that matters most: whether her partner could find work up there, whether the new team is as good as the two interviews suggested, whether she would actually like living in a city she has visited twice. The bus doors open and close. She realises she has missed her stop, and she still has not decided anything.

Most hard decisions look like this. Not a puzzle with a clean answer hidden somewhere, but a choice you have to make while important pieces are still missing. This guide is about how to make a hard decision in exactly that situation: when you cannot know everything, the clock is running, and your mind keeps asking for one more fact before it will let you move.

What actually makes a decision hard

A decision is not hard just because it is big. Choosing a mortgage can be big and fairly straightforward if the numbers are clear. Decisions become hard when three things overlap: the stakes feel high, the options are close enough that neither wins easily, and some of the information you would need to be sure simply does not exist yet.

That last part is the one people underestimate. Nobody can tell Maya how she will feel about Manchester in a year, because that future has not happened. You can research, ask, and test, but some uncertainty is built into the choice itself. Once you accept that, the goal shifts. You are no longer trying to remove all doubt. You are trying to make a sensible choice with the information you can reasonably get, by a date that makes sense.

Why your mind keeps asking for one more fact

Psychologists who study anxiety describe something called intolerance of uncertainty: a tendency to find not-knowing especially uncomfortable, and to treat it as a threat to be eliminated rather than a normal part of life. In a 2016 review, R. Nicholas Carleton argued that fear of the unknown may sit underneath many kinds of anxiety. You do not need a diagnosis to recognise the pull. When a decision has open questions, the open questions themselves start to feel dangerous.

Gathering more information is a natural response, and often a good one. The trouble begins when the gathering stops producing anything new. Researchers who study repetitive thinking, such as Edward Watkins in his 2008 review, distinguish between thinking that moves toward concrete next steps and thinking that circles abstract questions like "What if I get this wrong?" The second kind can feel productive while leaving you exactly where you started, only more tired.

There is also a quieter belief at work: that the right answer exists and that enough thinking will reveal it. With incomplete information, that belief turns every unanswered question into proof that you are not ready yet.

Gathering information or stalling? How to tell

A few honest questions can show which mode you are in:

• Is the new information changing anything? If the last five things you read or heard did not shift your view, more of the same probably will not either.

• Are you asking the same people the same question? Polling friends a second time is usually a search for reassurance, not data.

• Can you name what you are waiting for? "I need to hear back about the salary band" is a real gap. "I need to feel sure" is not something any fact can deliver.

• Is the cost of waiting growing? Some decisions get worse with delay: offers expire, prices rise, other people make plans around you.

If most answers point to stalling, that is not a character flaw. It is a signal to switch from collecting to deciding. Our guide on how to deal with uncertainty in everyday life covers this feeling in more depth.

Sort the unknowns into three piles

The first practical step is to stop treating "missing information" as one big fog. Take a sheet of paper or a notes app and write down every open question. Then sort each one into a pile:

• Known: facts you already have. The salary, the start date, the commute, what your contract says.

• Findable: things you could learn with a reasonable effort before the deadline. Asking the hiring manager about remote days, checking job listings in your partner's field, talking to someone who already works there.

• Unknowable: things no amount of research will answer now. Whether you will love the city. Whether the company will restructure in two years. How you will feel on a grey Tuesday in February.

This sorting does two things. It turns the findable pile into a short, concrete to-do list, which is far easier to act on than general unease. And it gives you permission to stop researching the unknowable pile, because those questions will not close no matter how long you wait. Seeing your thoughts laid out this way, rather than spinning in your head, is the idea behind a thought map for tangled thinking.

Check how reversible the choice really is

Next, ask how hard it would be to undo or adjust the decision later. Some choices are close to permanent. Many more are like doors you can walk back through, at some cost. Taking a job in another city is significant, but people do move back, change roles, or negotiate a trial period.

Reversibility changes how much certainty you need. For a choice you can adjust, a reasonable guess is enough. For one that is truly hard to reverse, it is worth spending more time on the findable pile. Interestingly, a 2002 study by Daniel Gilbert and Jane Ebert found that people tended to prefer keeping their options open, yet those who made a final, unchangeable choice were often more satisfied with it afterwards. Keeping a decision open can feel safer while quietly keeping the doubt alive.

Set an information deadline, then a decision deadline

Open-ended thinking expands to fill whatever time you give it. Two dates help contain it. The information deadline is when you stop researching: for example, Saturday at noon. The decision deadline is when you choose: Sunday evening, leaving a margin before the real cutoff.

Write both down. When a new "but what about..." appears after the information deadline, note it, and then ask whether it is genuinely new and important or simply another version of a worry you have already considered. Structured problem-solving tends to follow a similar rhythm: define the problem, list possible solutions, pick one, and then try it, rather than staying in the listing stage forever.

Decide what "good enough" looks like before you choose

Barry Schwartz and colleagues described two broad decision styles in a 2002 paper. "Maximisers" try to find the best possible option; "satisficers" look for one that meets their standards and then stop. In their research, people who leaned toward maximising tended to report lower satisfaction and more regret, even when their choices were objectively good.

With incomplete information, maximising is almost impossible anyway, because you cannot compare against facts you do not have. So before choosing, write two or three criteria that would make an option good enough. For Maya, that might be: a role that grows her skills, a realistic chance her partner can work, and a total cost of living she can manage. If an option meets your criteria, that is a valid reason to choose it, even if a slightly better version might exist somewhere.

It also helps to sketch a fallback. Ask: "If this goes badly, what would I do?" Having a rough plan B does not mean you expect failure. It shrinks the worst case from a vague catastrophe into a manageable next step.

Walking through it: Maya's weekend, step by step

Back to our illustrative example. On Friday evening, Maya writes every open question on one page. In the known pile: the salary, a 30% higher rent, a team of eight, a hybrid policy of three office days. In the findable pile: whether her partner's field is hiring in Manchester, whether the hybrid policy is firm, and what the team is like day to day. In the unknowable pile: whether she will make friends, whether the role will still exist in three years, whether she will miss London.

She sets an information deadline of Saturday at 6 p.m. On Saturday morning, her partner spends an hour on job boards and finds a handful of relevant openings. Maya messages a former colleague who knows someone on the team, and gets a short, honest reply: good manager, busy quarter ahead. She emails HR about the hybrid policy and learns it is written into the contract.

Then she checks reversibility. If it does not work out, they could move back within a year; it would be expensive and tiring, but not disastrous. Her good-enough criteria are now met by the offer. Her fallback is simple: keep her London network warm and review how things are going after six months.

On Sunday afternoon she notices a new worry: "What if the commute from the cheaper area is awful?" She asks herself whether it is new and decisive. It is new, but it does not change the core decision; it is something she can solve when choosing where to live. She accepts the offer on Sunday evening. She is not certain. She is clear, which is different, and much more achievable.

Traps that keep a hard decision open

• Treating unknowables as findables. Reading another twenty articles about life in a new city will not tell you how you will feel there.

• Waiting to feel calm first. Some anxiety is normal with any significant choice. Calm often comes after deciding, not before.

• Letting the loudest fear set the terms. A vivid worst case can feel more likely than it is. Check it against the known pile.

• Reopening the decision every time a new detail appears. Small new details rarely justify starting over. Ask whether this one would actually change your answer.

• Outsourcing the choice entirely. Other people's views are useful input. They do not carry the consequences, and they cannot know your priorities better than you do.

A step-by-step plan for your next hard decision

1. Write the decision as one clear sentence, including the real deadline.

2. List every open question, then sort each into known, findable or unknowable.

3. Turn the findable pile into two to four specific actions, and do them.

4. Rate how reversible the choice is, and adjust how much certainty you need.

5. Set an information deadline and a decision deadline, ahead of the real one.

6. Write two or three good-enough criteria and check each option against them.

7. Sketch a rough plan B for the outcome you fear most.

8. Choose, tell the people affected, and pick a date to review how it is going.

Questions people ask about difficult decisions

How do I know when I have enough information?

When new information stops changing your view, and your findable questions are answered, you probably have enough. Waiting to feel completely sure is not a reliable signal, because with real uncertainty that feeling may never arrive.

Should I trust my gut on a hard decision?

Your first reaction can be useful data, especially about what matters to you. It works best alongside the structure above rather than instead of it. If your gut and your criteria agree, that is a good sign. If they clash, ask what your gut might be noticing that your list is missing.

What if I make the wrong choice?

Judge the decision by the process, not only the outcome. A sensible choice made with the information available can still turn out badly, because some factors were unknowable. That is different from making a careless choice, and it deserves less self-blame. Our guide on how to stop regretting a decision goes further.

Is it okay to delay a decision?

Yes, when the delay has a purpose: you are waiting for a specific, findable answer that could change the outcome. Delay without a clear reason usually just extends the discomfort.

When a decision is weighing on more than your mind

If a decision, or overthinking in general, is seriously affecting your sleep, work or relationships, consider speaking to a doctor or a licensed mental health professional. If you are having thoughts of harming yourself, please reach out straight away: in the US, call or text 988; in the UK, call Samaritans on 116 123.

Living with the choice after you make it

Once you have chosen, the uncertainty does not vanish. What changes is your relationship to it. Instead of an open question pressing on you, you have a path you are walking and can adjust. Research by Thomas Gilovich and Victoria Medvec suggests that over the long run, people tend to regret the things they did not do more than the things they did. That is not a rule for every situation, but it is a useful reminder that not deciding is also a choice, with its own costs.

Learning how to make a hard decision is mostly learning to separate what you can know from what you cannot, and to act on the first without being held hostage by the second. Pick one decision you have been circling this week, and try the three-pile sort on it today.

Try a guided version with unLooper

If you would like a structured space for this, unLooper is an iPhone app made by the publisher of this site. Its "Decide for me" workspace lets you weigh your options against your own priorities, with an optional AI review of the trade-offs. Its AI thought maps can turn a tangled set of open questions into an editable visual map, so you can see what is known and what is not. You stay in control of every step.

It is entirely optional, and it is a self-reflection tool, not therapy. If it sounds useful, you can find unLooper on the App Store.

Related reading

• All our guides on better decisions

• How to deal with uncertainty without spiralling

• How to map your thoughts on one page

• How to stop regretting a decision

Sources

• Carleton, R. N. (2016). Fear of the unknown: One fear to rule them all? Journal of Anxiety Disorders. https://doi.org/10.1016/j.janxdis.2016.03.011

• Watkins, E. R. (2008). Constructive and unconstructive repetitive thought. Psychological Bulletin. https://doi.org/10.1037/0033-2909.134.2.163

• Gilbert, D. T., & Ebert, J. E. J. (2002). Decisions and revisions: The affective forecasting of changeable outcomes. Journal of Personality and Social Psychology. https://doi.org/10.1037/0022-3514.82.4.503

• Schwartz, B., et al. (2002). Maximizing versus satisficing: Happiness is a matter of choice. Journal of Personality and Social Psychology. https://doi.org/10.1037/0022-3514.83.5.1178

• Gilovich, T., & Medvec, V. H. (1995). The experience of regret: What, when, and why. Psychological Review. https://doi.org/10.1037/0033-295X.102.2.379