> ## Content Index > Fetch the complete content index at: https://www.altiusjournal.com/llms.txt > Use this file to discover other available public pages before exploring further. # Why Do We Sometimes Prefer Bad News to Uncertainty? - URL: https://www.altiusjournal.com/why-we-sometimes-prefer-bad-news-to-uncertainty/ - Published: 2026-10-28T23:54:00.000Z - Updated: 2026-10-28T23:53:59.000Z - Description: In a UCL experiment, a 50 per cent chance of a shock was more stressful than a certain one. Why an unwelcome answer can bring relief. - Author: Giani Boldeanu - Tags: Psychology, ALTIUS Aha, Uncertainty There is a peculiar relief in finally hearing an unwelcome answer. The job has gone to someone else. The application has been rejected. Disappointment follows, but the exhausting business of wondering can end. Quick question: which would stress you more, a certain electric shock or a 50/50 chance of one? A neuroscience experiment at University College London tested exactly that. Forty-five volunteers played a computer game in which turning over a rock might reveal a snake, and a snake meant a mildly painful electric shock. Their stress, measured through what they reported, how much they sweated and how wide their pupils grew, peaked not when a shock was certain but when it was a coin toss. A 50 per cent chance of pain was more stressful than knowing the pain was coming. **The short answer:** uncertainty forces the mind to prepare for several futures at once, which is more stressful than facing one bad one. Bad news ends the rehearsal and lets you act. ## Two different kinds of difficulty A bad result presents a problem. Uncertainty presents a range of possible problems, each demanding its own rehearsal. Consider someone waiting to learn whether a contract will be renewed. If the answer is no, hard decisions follow: finding work, reviewing finances, telling family. While the answer is unknown, none of them can be made with confidence. The person is preparing for a loss while trying not to assume one. So the relief that follows bad news is not satisfaction with the outcome. It is the return of a world that can be understood and acted upon. Wanting certainty is not the same as wanting failure. You can hear this in everyday speech. People often say they would rather hear “no” today than “maybe” for another month. They do not want the no. But a no can be planned around, while a maybe has to be carried everywhere you go. > A bad result is one problem. Uncertainty is a whole set of problems, each demanding its own rehearsal. ## Why imagination is so expensive When the future is open, the mind rarely stays balanced. One person keeps returning to the worst outcome because preparing feels prudent. Another clings to the best because letting go feels like surrender. Both spend energy on events that have not happened. Before an important medical appointment, someone may search online again and again, although the appointment is the first realistic chance to learn anything definitive. Each search offers a feeling of movement, while information without context can add fresh worries. A useful question is whether the next thought will change anything. Is there a sensible action available now? If not, more speculation produces more scenarios, not more knowledge. None of this makes certainty always preferable. A rushed diagnosis, a judgement on incomplete evidence or an ultimatum accepted under pressure can do real harm. Sometimes waiting protects the quality of a decision. The skill, then, is not to abolish uncertainty but to stop paying for it twice: once in the waiting and again in the rehearsal. The outcome may be hard. Rehearsing five different hard outcomes, night after night, is a cost you can often decline. ## The team list on Friday Parents of young athletes know this pattern well. The trial is over and the club will post its team list on Friday. Between Monday and Friday, a child may replay every moment of the trial while the parent analyses every word the coach said in the car park. When the list arrives, even without the child's name on it, the household can finally do something: talk it through, look at another club, plan the next season. The uncertainty kept everyone suspended. The answer, painful as it is, lets them move. ## Try this today: the Two-Outcome Plan If you are waiting on an answer, use the Two-Outcome Plan. Pick the two outcomes that would most change your next step. For each, write down one thing you can prepare now that is useful whichever way the news goes: an updated CV, a look at upcoming expenses, a date to follow up. Then separate a promise from a wish. “They said they would decide today” describes an agreement; “I would like to know today” describes a preference. Sometimes the honest conclusion is simply that you cannot know yet, and that is more accurate than a confident story invented to fill the silence. It is also much easier to sleep on. ## ALTIUS Note The UCL study measured short-term stress in a laboratory game with small shocks. It shows that uncertainty itself can be a powerful source of stress; it does not suggest that people should seek out bad news or rush important decisions. ## Research References - de Berker, A. O. et al. (2016). Computations of uncertainty mediate acute stress responses in humans. *Nature Communications*, 7, 10996\. [https://doi.org/10.1038/ncomms10996](https://doi.org/10.1038/ncomms10996?ref=altiusjournal.com) ## Related from ALTIUS - [Why the Same Pressure Feels Different to Different People](https://www.altiusjournal.com/the-difference-between-pressure-and-threat/) - [Does Feeling Nervous Mean You’re Not Ready?](https://www.altiusjournal.com/performance-anxiety-does-not-always-mean-you-are-unprepared/) - [Decision Fatigue Is More Complicated Than a Depleted Brain](https://www.altiusjournal.com/your-brain-is-not-running-out-of-fuel-the-new-science-of-decision-fatigue/) ### Keep reading ALTIUS Subscribe for new essays and analysis, or sign in if you already have an account. [**Subscribe**](https://www.altiusjournal.com/#/portal/signup) · [Sign in](https://www.altiusjournal.com/#/portal/signin)