Key terms
- premortem
- A premortem asks a group to imagine a future failure and explain what caused it.
- prospective hindsight
- Prospective hindsight makes possible causes easier to see by treating an imagined future event as if it already happened.
- risk
- A risk is a possible cause of failure that the plan can reduce, watch, or prepare for.
Say it back
- What problem is this lesson helping you avoid?
- What is the first move you would make?
- Where could you use this in your next conversation?
Read the full lesson
Imagine a regional orchestra is taking a youth ensemble on its first overseas tour. The flights are booked, host families are assigned, instruments have travel cases, and the concert halls are confirmed. At the final planning meeting, everyone wants to feel that the plan is finished. You notice risks: one student's passport may arrive late, a cello case may not fit the airline's rules, and a host family may cancel. If you raise each concern in the usual way, you can quickly become the person who does not believe in the tour.
That is a social problem inside a planning problem. The useful tool is a pre-mortem.
Research psychologist Gary Klein described the pre-mortem after studying how people make decisions in demanding settings. The method is simple. Before a plan begins, ask the team to imagine that it is now later and the plan has failed badly. Give everyone a few quiet minutes to write every reason the failure happened. Then collect the reasons before discussing solutions.
In an ordinary planning meeting, a warning can sound like a vote against the plan. “What if the passports do not arrive?” invites someone to defend the schedule. “What if the airline refuses the cello?” can sound like criticism of the person who booked the tickets. Soon the conversation is about whether you are too negative, not whether the risk is real.
A pre-mortem changes the assignment. Failure is temporarily treated as a fact. Everyone must explain it. Finding a risk is no longer an act of disloyalty; it is the task the whole group shares for ten minutes. The person who sees several problems is contributing, not objecting.
The psychology underneath the method is called prospective hindsight. Deborah Mitchell, Jay Russo, and Nancy Pennington compared people asked why a future event might happen with people asked to imagine that it had happened and explain why. Treating the event as certain produced more reasons and more specific ones. Once the mind stops debating whether failure is likely, it gets better at explaining how it could have occurred.
Daniel Kahneman praised the pre-mortem because it creates permission to challenge a plan after momentum has formed. Once a leader is visibly excited, people often keep doubts to themselves. The pre-mortem creates a short, protected period in which doubt is required.
Here is how to run one for the tour.
Start with a specific future scene: “It is the morning after the final concert. The tour went badly enough that we would not repeat it. What happened?” Name the method, set a ten-minute limit, and make clear that everyone will participate. This framing turns your concern into a process rather than a speech about your private worries.
Next, give everyone two or three minutes to write alone. Silent writing is essential. If discussion begins immediately, the first confident speaker sets the frame. Other people respond to that idea instead of searching their own experience. The percussion teacher may think about freight delays. A parent chaperone may notice a medication issue. A student may know that the host-family rules are unclear. You want those thoughts on paper before anyone hears the tour director's answer.
Then collect one reason from each person in turn. Keep going around until the useful reasons are out. Do not solve them yet. If the group starts solving the first risk, people stop searching and begin defending. Collection and response are two different stages.
Make each reason concrete. “Travel chaos” is too broad to act on. “The connecting flight is missed, and half the instruments travel without their players” is specific. “Communication fails” is vague. “The emergency phone list is stored only in the trip leader's lost bag” is specific.
After collecting, sort the list. Which risks are plausible? Which would cause serious harm? Which are cheap to reduce now? Choose a small number that score high enough to deserve action. Do not convert every imagined failure into a task. A pre-mortem that creates thirty new assignments will not be welcomed again.
For the tour, the group might choose three protections: copy every passport into an encrypted travel file accessible to two leaders, obtain written airline approval for oversized instruments, and assign a backup host location in each city. Those steps do not guarantee success. They reduce failures the group could reasonably foresee.
Be careful with low-probability, high-harm risks. Some deserve action even when unlikely, especially where health or safety is involved. Others need only a response plan. You may not buy a second seat for every possible missed flight, but you can write down who contacts the airline and where students gather if a connection breaks.
The method also protects relationships. People often hear a warning about their part of a plan as a judgment of their competence. When everyone is asked to find failure paths, risk stops belonging to one person. A parent who identifies a medication gap is not accusing the nurse. A teacher who identifies a baggage problem is not attacking the travel coordinator. They are completing the same exercise.
This does not mean hiding criticism inside a game. If someone has ignored a known safety requirement, say so directly. A pre-mortem is for discovering and preparing for uncertain failure, not avoiding an overdue accountability conversation.
The facilitator has one more job: make it safe to name the awkward reason. A student may worry that a popular soloist ignores curfew. A chaperone may know that two adults do not cooperate. Thank people for specific risks before debating them. If the room punishes the first uncomfortable answer, the rest of the exercise becomes theater.
Here is the practice. Take one plan you are about to commit to. Alone, write a date after it is supposed to succeed. Then write, “The plan failed,” and set a three-minute timer. List every reason. Circle the failure that would embarrass you most because it was preventable. Give that one an action or response plan today.
For a shared plan, propose the ten-minute version. State the failed future, use silent writing, collect one reason per person without discussion, and select two or three protections. End by naming an owner and a deadline for each one.
That is the lesson. Do not carry the role of the lone pessimist. Give the whole group permission to imagine that the plan already failed, learn why, and prevent the few failures worth preventing.
Sources for this lesson: Gary Klein's Performing a Project Premortem; the prospective-hindsight study by Deborah Mitchell, J. Edward Russo, and Nancy Pennington; and Daniel Kahneman's work on judgment, overconfidence, and debiasing.