26.225 - Let Reality Refine the Plan
“And adhering to the pure, original plan falls apart, too, because it doesn’t represent reality.”
Ed Catmull, “Staying One Step Ahead at Pixar” (2016)
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The Plan Was Never the Purpose
A plan gives intention shape. It turns a value into a sequence, identifies the next action, and creates enough structure for movement to begin. Without some form of planning, purpose can remain sincere but indefinitely abstract. Yet every plan is created with incomplete information. It reflects what a person knows before the work has fully begun, before other people have responded, and before hidden costs, constraints, and possibilities have become visible.
Experience inevitably reveals something the plan did not anticipate. The work may require more time, a conversation may expose an unexamined assumption, or an early result may complicate the outcome that once seemed likely. None of this automatically means the direction is wrong. Resistance may reveal a weak strategy, but it may also represent the necessary difficulty of doing something worthwhile. The challenge is to interpret what the experience is actually teaching.
That interpretation becomes easier when purpose, assumptions, and method are treated as distinct. Purpose identifies what the effort is meant to serve. Assumptions describe what the plan expected to be true, while method describes how the person intended to proceed. Evidence may challenge any one of these layers without invalidating the others. Fidelity to purpose may therefore require revising the original method rather than protecting it from what experience has revealed.
When Consistency Becomes a Performance
Contemporary culture often treats consistency as evidence of competence. People are expected to know where they are going, explain how they will get there, and follow through without appearing uncertain. Once a plan has been announced, revising it can feel less like learning and more like admitting that the original judgment was incomplete. This pressure intensifies when identity becomes attached to the strategy. A person may no longer be defending the best method available, but their reputation for being decisive.
Earlier investments make this attachment even harder to examine. More time, money, or effort may be committed because so much has already been spent, even when current evidence no longer supports the same course. Persistence, usually praised as a virtue, then becomes a way of preventing the past from being questioned. The original plan is preserved because changing it would require acknowledging that earlier assumptions no longer fit. Consistency stops serving the purpose and begins protecting the person’s relationship to their previous decisions.
Revision, however, cannot be reduced to personal preference. Other people may depend upon the plan, commitments may already have been made, and changing direction can create consequences that must be addressed honestly. Financial pressure, caregiving, health, employment conditions, and unequal access to resources can also limit a person’s practical freedom to adapt. Mature revision accounts for these realities through communication, responsibility, and attention to who will be affected. Flexibility is not the freedom to disregard consequences. It is the willingness to reconsider the method without pretending that every available choice carries the same cost.
Let Reality Finish What Imagination Began
Actual conditions supply information the original plan could not contain. Action reveals the effort required, the consequences produced, the skills still missing, and the possibilities that could not have been predicted from a distance. Yet this information does not arrive as a simple verdict. A disappointing response may reflect poor timing, limited access, bias, chance, or another person’s priorities. A difficult result does not automatically invalidate the purpose, just as early encouragement does not prove that the current method is wise or sustainable.
The discipline is to remain receptive without surrendering judgment. Evidence must be interpreted in relation to the purpose, the assumptions beneath the plan, and the method being used. An assumption can be corrected without erasing the deeper commitment. A method can be reduced, revised, delegated, paused, or abandoned while the purpose remains intact. If repeated consequences begin to challenge the purpose itself, then a more fundamental reconsideration may be necessary.
This is the difference between flexibility and reactivity. Reactivity changes direction whenever circumstances become uncomfortable, treating every obstacle as an instruction and every response as a verdict. Flexibility remains anchored to what matters while allowing evidence to improve the way forward. It does not worship persistence, but it does not confuse difficulty with failure. It asks what should remain true, what must change, and what still requires another honest test.
A good plan is strong enough to be corrected. Its value is not proven by surviving unchanged, but by helping purpose remain responsive, responsible, and real. Revision is not a retreat from commitment when it brings the method into closer alignment with what experience has revealed. Tomorrow, we will examine how consequences clarify the responsibilities attached to purpose. For today, keep faith with what matters, but let the plan bend where reality has made it wiser to bend.
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Practice - The Plan Revision Note
In this five-to-ten-minute practice, you will examine one current plan that has encountered new information, resistance, delay, or unexpected consequences.
Choose a specific plan involving a project, commitment, relationship, goal, or responsibility. Use the worksheet to distinguish the purpose you want to preserve from the assumptions and methods that may need to change.
Respond with observable evidence wherever possible. The objective is not to defend the original plan or abandon it impulsively. It is to revise the plan so that it better reflects what experience has revealed.
Scientific Context - What the Research Supports
This post draws upon research in cognitive psychology, decision science, professional learning, and creative development. Its central argument is a synthesis: plans are provisional models built from incomplete information, and effective adaptation requires people to distinguish the purpose they are pursuing from the assumptions and methods contained within their original plan.
No single study establishes the post’s complete thesis. Instead, several complementary theories explain why initial plans are often inaccurate, why people resist revising them, and how feedback can support more intelligent action.
Plans Are Models, Not Predictions: Every plan contains assumptions about future conditions, including available time, necessary effort, other people’s responses, required resources, and likely obstacles. Because these conditions cannot be known completely in advance, a plan should be understood as a provisional model rather than a reliable prediction.
Research on the planning fallacy demonstrates that people regularly underestimate how long their own future tasks will take. In a frequently cited study by Roger Buehler, Dale Griffin, and Michael Ross, students predicted that they would complete their honors theses in an average of 33.9 days. The actual average was 55.5 days. Even when participants considered pessimistic scenarios, their estimates remained overly optimistic.
The problem is not simply poor arithmetic. People tend to construct forecasts around an idealized sequence of future actions while underweighting complications, interruptions, and relevant evidence from similar past experiences. This tendency supports the post’s claim that a thoughtful plan can still contain assumptions that only experience will expose.
The Inside View and the Outside View: Daniel Kahneman and Dan Lovallo distinguished between an inside view and an outside view of planning. The inside view concentrates on the particulars of the current plan, including intentions, expectations, and imagined steps. The outside view asks what happened in comparable situations and uses those outcomes as a reference point.
The inside view makes a plan feel unique and manageable. The outside view introduces evidence about delays, costs, failure rates, and complications that the original narrative may have omitted. Effective planning benefits from both perspectives: the inside view preserves context and intention, while the outside view challenges unsupported optimism.
This distinction helps explain why contact with actual conditions improves a plan. Experience supplies an outside reference that imagination alone cannot provide.
Sunk Costs and Escalation of Commitment: Research on the sunk-cost effect explains why people may defend a plan after evidence has weakened its value. Hal Arkes and Catherine Blumer found that people show a greater tendency to continue an endeavor after investing money, time, or effort in it, even when those past investments should not determine the best current decision.
Earlier investment creates pressure to justify what has already been spent. Revising or abandoning the method may feel as though it renders the previous effort meaningless. Continuing therefore becomes psychologically attractive, even when it increases the eventual cost.
This effect supports the post’s argument that persistence can stop serving the purpose and begin protecting a person’s relationship to an earlier decision. Past investment is relevant as history, but it should not automatically govern the next action. The more useful question is whether continuing now offers the strongest available path forward.
Routine Expertise and Adaptive Expertise: Giyoo Hatano and Kayoko Inagaki distinguished routine expertise from adaptive expertise. Routine experts perform familiar procedures efficiently and accurately under stable conditions. Adaptive experts retain that competence while also modifying or inventing procedures when familiar methods no longer fit unfamiliar circumstances.
Adaptive expertise is not constant improvisation. It combines efficiency with conceptual understanding, making it possible to recognize why a procedure works, when it no longer applies, and what might replace it. The adaptive expert does not abandon prior knowledge whenever conditions change. Prior knowledge becomes material for constructing a more suitable response.
This framework directly supports the distinction between purpose and method. Purpose can remain stable while the method changes. Revision becomes evidence of learning when it preserves the underlying intention while responding more accurately to new conditions.
Reflection in Action: Donald Schön’s theory of reflection in action describes how skilled practitioners think within uncertain and changing situations. Rather than simply applying a predetermined procedure, the practitioner notices unexpected results, examines the assumptions guiding the work, and adjusts while remaining engaged with the problem.
Schön described this process as a reflective conversation with the situation. An action produces a response, the response changes the practitioner’s understanding, and that revised understanding guides the next action. Planning and execution are therefore not completely separate phases. Thought continues inside the work.
This concept underlies the post’s three-layer framework:
Purpose identifies what the effort is meant to serve.
Assumptions identify what the plan expected to be true.
Method identifies how the person intended to proceed.
Reflection helps determine which layer the evidence is challenging. Without that distinction, a methodological problem may be mistaken for proof that the purpose is wrong, or a deeper problem with the purpose may be concealed through repeated changes in method.
Iteration and Creative Development: Ed Catmull’s account of Pixar’s creative process illustrates the practical value of iteration. Complex creative work does not usually emerge fully formed. It develops through cycles of production, exposure, candid feedback, problem identification, revision, and renewed testing.
Pixar’s Braintrust process was designed to help filmmakers identify problems without transferring ownership of the work to the people offering feedback. The group could expose weaknesses in logic, character, structure, or execution, but the director remained responsible for deciding how to address them.
This model demonstrates an important boundary between feedback and judgment. External responses provide information, but they do not automatically determine the correct revision. The person responsible for the work must interpret the feedback in relation to the work’s purpose, the conditions surrounding it, and the consequences of changing course.
Catmull also describes the tension between excessive disorder and excessive adherence to an original plan. Too little structure produces confusion, but strict loyalty to an early plan prevents the work from responding to information that becomes available only through development.
Flexibility Is Not Reactivity: The research does not support changing direction in response to every obstacle. Feedback can be incomplete, biased, poorly timed, or unrelated to the quality of the underlying purpose. A negative response may reflect unsuitable conditions rather than a defective plan, while early encouragement may create confidence in a method that is not sustainable.
Adaptive planning therefore requires interpretation. A useful response considers:
Whether the evidence is observable and repeated.
Whether the result challenges the purpose, an assumption, or the method.
Whether comparable experiences point toward the same conclusion.
Whether the cost of continuing is justified by likely future value.
Whether the revised method can be tested without demanding another complete commitment.
Who will be affected by the change and what responsibilities remain.
Flexibility remains anchored to purpose while allowing evidence to improve the method. Reactivity allows each new discomfort or response to dictate the direction. The difference lies in whether revision follows considered evidence or immediate emotional pressure.
Context and Constraints: The freedom to revise a plan is not distributed equally. Financial obligations, caregiving responsibilities, health conditions, employment requirements, unequal access to resources, and commitments involving other people can limit the available alternatives.
These constraints do not eliminate the value of adaptive planning, but they change what responsible adaptation may look like. Revision may involve reducing the scope, changing the schedule, delegating part of the work, establishing a boundary, pausing, or creating a smaller experiment rather than abandoning the plan entirely.
For this reason, flexibility should not be treated as unlimited personal freedom. Responsible revision accounts for both evidence and consequence.
Scientific Summary: The relevant research supports six conclusions:
Plans are constructed from incomplete information and frequently underestimate time, complexity, and disruption.
People tend to privilege the imagined details of the current plan over evidence from comparable past experiences.
Previous investments can make an ineffective plan psychologically difficult to revise.
Adaptive expertise combines established knowledge with the ability to modify procedures under changing conditions.
Reflection during action allows unexpected results to improve both understanding and method.
Iterative feedback is most useful when it informs judgment without replacing ownership of the decision.
Together, these concepts support the post’s penetrating insight:
A good plan is strong enough to be corrected.
The value of a plan is not demonstrated by its survival in its original form. Its value lies in helping a person move toward a purpose, interpret what experience reveals, and revise the method when the evidence makes revision necessary.
Bibliography
Arkes, H. R., & Blumer, C. (1985). The psychology of sunk cost. Organizational Behavior and Human Decision Processes, 35(1), 124–140. https://doi.org/10.1016/0749-5978(85)90049-4
Buehler, R., Griffin, D., & Ross, M. (1994). Exploring the “planning fallacy”: Why people underestimate their task completion times. Journal of Personality and Social Psychology, 67(3), 366–381. https://doi.org/10.1037/0022-3514.67.3.366
Catmull, E. (2016, March 29). Staying one step ahead at Pixar: An interview with Ed Catmull [Interview]. McKinsey & Company. https://www.mckinsey.com/capabilities/people-and-organizational-performance/our-insights/staying-one-step-ahead-at-pixar-an-interview-with-ed-catmull/
Catmull, E., & Wallace, A. (2014). Creativity, Inc.: Overcoming the unseen forces that stand in the way of true inspiration. Random House.
Hatano, G., & Inagaki, K. (1986). Two courses of expertise. In H. Stevenson, H. Azuma, & K. Hakuta (Eds.), Child development and education in Japan (pp. 262–272). W. H. Freeman.
Kahneman, D., & Lovallo, D. (1993). Timid choices and bold forecasts: A cognitive perspective on risk taking. Management Science, 39(1), 17–31. https://doi.org/10.1287/mnsc.39.1.17
Schön, D. A. (1983). The reflective practitioner: How professionals think in action. Basic Books.
Schwartz, D. L., Bransford, J. D., & Sears, D. (2005). Efficiency and innovation in transfer. In J. P. Mestre (Ed.), Transfer of learning from a modern multidisciplinary perspective (pp. 1–51). Information Age Publishing.
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