Nan picked up the last chunk of cookie and ate it. Peter and Trish had long ago finished theirs, but Nan liked making cookies last. "The critical thinking fallacies were my favorites," she said. "I like learning how to think more clearly."
Peter sipped his coffee. "Mmm." He swallowed. "But how do we avoid those fallacies?"
Nan had an idea. "Maybe we should inspect our project plans, like we inspect components."
Trish was intrigued. "Yeah, and I know what I'd put at the top of the checklist."
"OK, I'll bite," said Peter. "What?"
Trish was ready. "The Nine Project Management Fallacies."
Not a bad idea. These last three fallacies (Part IV of a little catalog of the fallacies of project management) are errors of critical thinking. For Part III, see "Nine Project Management Fallacies: III," Point Lookout for December 28, 2005.Non-random polling
might provide comfort,
but it's hardly
- The Normative Fallacy
- This fallacy holds that when we ask some people their opinions, and most of them agree, then they're correct. Usually we select people non-randomly, choosing those who will give us desirable answers, or those we can trust, or those of high rank.
- Non-random polling might provide comfort, but it's hardly scientific, and it almost always leads to biased conclusions.
- To get truly useful polling data, you must poll people randomly.
- The Availability Heuristic
- In risk management, we often estimate the probabilities of certain events. We're using the Availability Heuristic[*] when we estimate these probabilities by sensing the difficulty of imagining or understanding the string of events that lead to the risk.
- For instance, when we ask people whether death resulting from being attacked by a shark is more or less likely than from being hit by falling airplane parts, they usually answer that death by shark attack is more likely. Actually, death from being hit by falling airplane parts is 30 times more likely, but people are fooled because it's easier to imagine shark attacks, which are more common.
- Estimating probabilities is unlikely to produce reliable results. For this reason, the Availability Heuristic is usually considered an example of a cognitive bias. Use real data, or use huge error bars.
- The Grandiosity Fallacy
- Confronting a problem, we sometimes address a generalization of the problem instead, hoping to solve a host of similar problems, and thereby solving the original problem almost "for free." Rarely does the reality match the wish.
- Grandiosity usually generates two kinds of trouble. First, it's often more expensive and time-consuming than originally estimated. Second, the people of the organization rarely want the general solution. If they did, they probably would have sought it in the first place.
- Sometimes customers don't know the value of the general solution, and telling them about it might produce a better outcome. But usually they want only what they asked for. Work with them on that first.
Track the incidence of these nine fallacies in your organization. Use them to inspect project plans. Probably your projects will have fewer surprises, or at least you'll be just a little less likely to be hit by falling airplane parts. First in this series Top Next Issue
For more on cognitive biases, see "The Focusing Illusion in Organizations," Point Lookout for January 19, 2011.
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More articles on Project Management:
- Dispersity Adversity
- Geographically and culturally dispersed project teams are increasingly common, as we become more travel-averse
and more bedazzled by communication technology. But people really do work better together face-to-face.
Here are some tips for managing dispersed teams.
- Long-Loop Conversations: Clearing the Fog
- In virtual or global teams, conversations can be long, painful affairs. Settling issues and clearing
misunderstandings can take weeks instead of days, or days instead of hours. Here are some techniques
that ease the way to mutual agreement and understanding.
- The Retrospective Funding Problem
- If your organization regularly conducts project retrospectives, you're among the very fortunate. Many
organizations don't. But even among those that do, retrospectives are often underfunded, conducted by
amateurs, or too short. Often, key people "couldn't make it." We can do better than this.
What's stopping us?
- Managing Wishful Thinking Risk
- When things go wrong, and we look back at how we got there, we must sometimes admit to wishful thinking.
Here's a framework for managing the risk of wishful thinking.
- Wishful Thinking and Perception: I
- How we see the world defines our experience of it, because our perception is our reality. But how we
see the world isn't necessarily how the world is.
Forthcoming issues of Point Lookout
- Coming November 22: Motivation and the Reification Error
- We commit the reification error when we assume, incorrectly, that we can treat abstract constructs as if they were real objects. It's a common error when we try to motivate people. Available here and by RSS on November 22.
- And on November 29: Manipulators Beware
- When manipulators try to manipulate others, they're attempting to unscrupulously influence their targets to decide or act in some way the manipulators prefer. But some targets manage to outwit their manipulators. Available here and by RSS on November 29.
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- Ten Project Management Fallacies: The Power of Avoiding Hazards
- Most of what we know about managing projects is useful and effective, but some of what we know "just ain't so." Identifying the fallacies of project management reduces risk and enhances your ability to complete projects successfully. Even more important, avoiding these traps can demonstrate the value and power of the project management profession in general, and your personal capabilities in particular. In this program we describe ten of these beliefs. There are almost certainly many more, but these ten are a good start. We'll explore the situations where these fallacies are most likely to expose projects to risk, and suggest techniques for avoiding them. Read more about this program. Here's a date for this program:
- The Power Affect: How We Express Our Personal Power
- 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.