Problem solving — or sometimes even just stating the problem — usually entails discovery. After successful resolution, we can look back at our path, and we usually notice new techniques, new concepts and new perspectives. For difficult problems, the path includes several failed attempts, which perhaps we used to refine either the problem statement or our approach or both. Or we decide to solve a simpler problem first, and use that experience to re-examine the original problem. Or we decide that we can't solve the original problem, but we do address the parts that seem tractable.
These latter approaches are all elements of the incremental problem solving toolkit. Often, incremental problem solving produces useful results, but there is a risk that the results produced aren't optimal by any measure (see, for example, "Indicators of Lock-In: I," Point Lookout for March 23, 2011). And a string of promising results might lead not to the ultimate objective, but to a dead end.
That's why backtracking is so important in the incremental toolkit, but it can be difficult or impossible to use. Why?
Typically, increments produce useful capability, while they illuminate possible next steps. When customers use the capability so far delivered, more wants and needs become clear. All these lessons together help determine objectives for future increments. So it goes, iteration by iteration.
Although the solving helps illuminate the path, that path might or might not lead to the final objective. When it doesn't, we must backtrack, and therein lies risk. Here are some obstacles to backtracking in incremental problem solving.
- Once a particular approach is embedded in the consciousness, seeing new approaches can become difficult, even when we're looking for them.
- Sunk cost
- Whatever we've spent so far can sometimes prevent us from trying new approaches. We might lack the resources or time to rebuild what we've done, or we might lack the daring to ask for what we need.
- Seeing backtracking as failure
- Whether or not we have time or resources for backtracking, organizational culture might prohibit it. We push ahead because backtracking feels like failure, even when it's the only path to success.
- Short term cost bump
- Immediately after backtracking, the cost per unit of delivered capability jumps, because cost has risen, while capability hasn't. Capability might even decline. To some, that can seem more important than enabling future success.
- Backtracking costs real money
- Backtracking takes time and effort. Even when the cost is small,
the short-term return on
backtracking is negativeEven when the cost is small, short-term return is negative. We're paying to go backwards.
- Customer expectations
- Sometimes backtracking upsets customers, who have become accustomed to a steady stream of forward progress. It can be difficult to explain the need to redevelop something customers are already happy with.
With astonishing frequency, when we pause and ask, "How would we do this if we were starting over, knowing what we now know?" the answer is both novel and elegant. When we can find the resources and the will to backtrack enough to use what we've learned, our solutions are more durable, more effective and longer-lived. Top Next Issue
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More articles on Problem Solving and Creativity:
- Abraham, Mark, and Henny
- Our plans, products, and processes are often awkward, bulky, and complex. They lack a certain spiritual
quality that some might call elegance. Yet we all recognize elegance when we see it. Why do we make
things so complicated?
- Figuring Out What to Do First
- Whether we belong to a small project team or to an executive team, we have limited resources and seemingly
unlimited problems to deal with. How do we decide which problems are important? How do we decide where
to focus our attention first?
- Poverty of Choice by Choice
- Sometimes our own desire not to have choices prevents us from finding creative solutions. Life
can be simpler (if less rich) when we have no choices to make. Why do we accept the same tired solutions,
and how can we tell when we're doing it?
- On Beginnings
- A new year has begun, and I'm contemplating beginnings. Beginnings can inspire, and sometimes lead to
letdown when our hopes or expectations aren't met. How can we handle beginnings more powerfully?
- Linear Thinking Bias
- When assessing the validity of problem solutions, we regard them as more valid if their discovery stories
are logical, than we would if they're other than logical. This can lead to erroneous assessments, because
the discovery story is not the solution.
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- Narcissistic behavior at work threatens the enterprise. People who behave narcissistically systematically place their own interests and welfare ahead of anyone or anything else. In this Part II of the series we consider the narcissistic preoccupation with superiority fantasies. Available here and by RSS on March 7.
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- Many people who possess real organizational power have a characteristic demeanor. It's the way they project their presence. I call this the power affect. Some people — call them power pretenders — adopt the power affect well before they attain significant organizational power. Unfortunately for their colleagues, and for their organizations, power pretenders can attain organizational power out of proportion to their merit or abilities. Understanding the power affect is therefore important for anyone who aims to attain power, or anyone who works with power pretenders. Read more about this program.