Show Me Your Map by Timothy J. Harland A map-maker’s guide Piece 1 of 3 — Chapters 1–5 From the Author’s Portal · showyourmap.com Free for weary travelers. E UNUM PLURIBUM. ------------------------------------------------------------ SHOW ME YOUR MAP The Method Behind the Question Timothy J. Harland Copyright © 2026 Timothy J. Harland All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means without prior written permission of the author, except for brief quotations used in reviews or other uses permitted by law. First edition. CONTENTS Chapter 1 — What If? 1 Chapter 2 — How Would We Find Out? 3 Chapter 3 — What Changed? 5 Chapter 4 — Are We Looking at the Same 8 Thing? Chapter 5 — What If the Difference Is Not 10 Entirely Internal? Chapter 6 — What If Both Perspectives Are 12 Useful? Chapter 7 — What Are We Still Not Seeing? 14 Chapter 8 — Does This Change What We 16 Thought We Knew? Chapter 9 — What Should We Do With the 18 New Version? Chapter 10 — How Far Does This Version 20 Travel? Chapter 11 — What Has to Remain the 22 Same? Chapter 12 — What Do We Do When the 25 Map Changes Again? CHAPTER 1 What If? Most problems do not begin with bad answers. They begin with a representation that seemed sufficient at the time. Usually, it was. The problem begins when useful is mistaken for complete. That is where the first question begins: What if? Not: What if everything is wrong? Simply: What if there is something we are not seeing yet? The Traffic Lane Imagine driving on a crowded highway. Your lane is barely moving. The lane beside you appears faster. You change lanes. For a moment, the decision looks correct. Then you see the sign ahead: LANE ENDS — MERGE LEFT The other lane was moving faster. That did not change. What changed was what you could see. So another question becomes possible: What was I missing? Observation and Interpretation Consider the difference: The lane is moving faster. 1 The lane is better. One describes what appears to be happening. The other adds something to it. Maybe that interpretation is right. Maybe it is not. What if? gives us enough room to ask. What if the lane ends? What if the slowdown is temporary? What if both lanes reach the same bottleneck? We do not need every possible explanation. We only need one plausible alternative that makes the current picture worth another look. A Question Worth Keeping Sometimes the original representation is enough. Sometimes another possibility appears. Sometimes there is not enough information to tell. Undetermined is still an answer. What if? does not need to resolve anything. It only needs to reveal whether something is worth examining. If it is: How would we find out? 2 CHAPTER 2 How Would We Find Out? What if? gives us another possibility. Possibility alone does not tell us much. So: How would we find out? One way is to test it. Back to the Traffic Lane The faster lane appears better. Then you notice that it ends ahead. One possible explanation is that its advantage disappears when it merges back into slower traffic. So watch what happens. Does the advantage disappear? Does it happen again? The first result gives us something to remember. The next gives us something to compare. A Testable Expectation A hypothesis gives us an expectation. For example: Changing into the faster lane will not meaningfully reduce travel time when the lane ends ahead. Then we see what happens. Once. Again. Maybe again. If the results remain similar under the relevant conditions, something resembling a baseline begins to form. If they do not, that matters too. 3 Consistency One result is an observation. Repeated similar results give us more reason to expect something similar again. That is one reason the scientific method is useful: question → hypothesis → test → observe → revise Then repeat when useful. It does not make the conclusion universally true. It tells us how consistently the expectation survives the conditions under which we tested it. Three similar outcomes may give us little reason to change course. Three different outcomes probably deserve more attention. A Working Baseline For now, we have something tested to compare against. And when the comparison stops matching: What changed? 4 CHAPTER 3 What Changed? A baseline gives us something to compare against. Then the result changes. What changed? A Different Example Imagine a machine performing the same task several times. The first runs look familiar. Then one does not. The process appears the same. Maybe something around it was not. Load. Temperature. Timing. Material. Wear. Sequence. Instead of beginning with: What failed? try: What was different this time? Follow the Difference Suppose the load changed. Return to the familiar load and observe the result. Change it again. Compare. Maybe the outcome follows the load. Maybe it does not. Either way, the difference has given us somewhere useful to look. 5 The point is not to vary everything we can think of. It is to follow the differences that might explain why the result stopped matching the baseline. We do not need to redesign the machine because one result changed. We need to understand the change well enough to decide whether the existing explanation still works. When Small Changes Accumulate Not every meaningful change looks important by itself. A road marker moves. A familiar label changes. A confirmation point disappears. None of those may alter the route. But each changes how easily someone can tell whether they are still on it. One small difference may be negligible. Several small differences may begin to change the usefulness of the original representation. So the question is not only: How large was the change? It is also: What did this change affect in relation to everything that had already changed? A delta can matter because of its size. It can also matter because it joins a pattern. How Much Can Change? Some systems tolerate variation easily. Others respond to very small changes. So another question appears: How much can change before the result changes with it? The answer may be narrow. It may be broad. We only know by comparing what happens against what happened before. 6 What the Difference Shows A baseline gives the difference meaning. A delta is simply a difference from that baseline. It is not automatically a defect, a cause, a risk, or a correction. It is a place worth investigating. Its significance may remain undetermined until comparison gives us reason to weight it. Sometimes the existing explanation still works. Sometimes it needs adjustment. And sometimes the difference suggests that what appeared to be the same thing may not be represented the same way at all. Are we looking at the same thing? 7 CHAPTER 4 Are We Looking at the Same Thing? Two people can look at the same information and reach different conclusions. The information may be the same. The interpretation may not be. Same Data, Different Lens Imagine two doctors reviewing the same patient information. They have access to the same test results. One recognizes a familiar pattern and considers it relatively routine. The other notices an unusual detail and gives it more weight. The data is the same. What each doctor notices, remembers, or considers important may not be. One may have seen the pattern many times before. The other may remember a similar case that ended differently. One may be comfortable with the remaining uncertainty. The other may give more weight to an unlikely possibility because its consequences would be greater. None of this changes the test results. It changes the lens through which those results are interpreted. Another Way to Ask We could begin with: Which doctor is right? But that may be too early. A more useful question might be: What might each person be noticing that the other is not? We do not need to know exactly what either person is thinking. We only need enough room for more than one interpretation of the same information. 8 The Lens in the Picture The person doing the interpreting is part of the picture. That may explain some of the difference. But perhaps not all of it. What if the difference is not entirely internal? 9 CHAPTER 5 What If the Difference Is Not Entirely Internal? Two people can look at the same information differently. Sometimes the difference begins with the person looking. Sometimes something around them is helping shape what they see. Same Person, Different Room Imagine the same employee in two workplaces. In one, questions are expected. In the other, questions are treated as hesitation. The person has not changed. But what happens around a question has. That difference may affect what gets said, what gets noticed, and what gets left alone. The Group Has a Lens Too People rarely make decisions without reference points. Teams develop habits. Professions develop norms. Organizations develop expectations. Communities develop shared ideas about what is normal, important, acceptable, or unusual. Those reference points do not determine every decision. But they can influence what seems reasonable before anyone stops to examine why. So when an interpretation does not make sense from the person alone, it may help to look around them. What gets rewarded? What gets discouraged? What has become routine? What would feel unusual here even if it would seem ordinary somewhere else? Part of the Picture The environment may explain some of what the individual lens could not. 10 That does not make it the whole explanation either. Person and environment can both contribute without either being sufficient on its own. Which means two apparently different perspectives may each be showing us something real. What if both perspectives are useful? 11