Although scope creep can arise independently of cognitive biases, the role of cognitive biases in scope expansion is powerful, because cognitive biases influence our decisions without our knowing. And among the most insidious of these biases is confirmation bias. Confirmation bias affects the objectivity of the evidence-gathering process, and then once evidence is presented, it affects our ability to weigh evidence objectively. Under the influence of confirmation bias, we tend to:
- Seek evidence that supports our preconceptions
- Avoid seeking evidence that conflicts with our preconceptions
- Give preferential weight to confirmatory evidence
- Reject or discount disconfirming evidence
For example, when considering adding features to a planned product — features we favor — we tend to examine critically projections of cost and schedule that predict trouble. By contrast, we tend to examine less critically any rosy sales projections. When considering combining two projects located at different sites, people who favor the combination tend to accept projections of cost savings less critically than they would treat cost or schedule projections indicating problems arising from merging the projects and relocating one of them.
Here are four indicators that confirmation bias might be driving a scope expansion decision.
- Political rivalry and feuds
- One political actor might use scope expansion to attack a rival by acquiring responsibility for efforts that are the responsibility of the rival. The intense emotions that typically underlie such plots are fertile ground for confirmation bias.
- Masking past offenses and performance issues
- When an effort faces financial or schedule trouble, expanding its scope to enable it to acquire a healthier sibling effort can conceal much of its trouble, especially if resources from the healthy effort can be harvested to repair or disguise the problems of the troubled effort. The fears that accompany such situations make decision makers vulnerable to confirmation bias.
- Absence of disconfirmation indicators
- For efforts we Any high-impact organizational
decision probably ought to also
include anti-goals that, if met,
trigger questioning the
wisdom of that decisionundertake, we usually define success as achieving specific goals. But any high-impact organizational decision probably ought to also include anti-goals that, if met, trigger questioning the wisdom of that decision. For example, if we don't satisfy condition C by date D, we will revisit the decision; or if a competitor enters the market before date D, we will reconsider the decision. When goals are clear, but anti-goals are missing, poorly defined, or ignored, confirmation bias might be playing a role.
- Reliance on anecdotal "evidence"
- Anecdotes can illustrate — nothing more. They contain no information about the prevalence of the mechanisms they exemplify. Proponents of a scope expansion can use anecdotes to illustrate their arguments, but when they fail to offer estimates of the importance of the phenomena the anecdotes illustrate, the use of anecdotes suggests the effects of confirmation bias. See "The Power and Hazards of Anecdotes: I," Point Lookout for December 31, 2014, for more.
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More articles on Project Management:
- Films Not About Project Teams: I
- Here's part one of a list of films and videos about project teams that weren't necessarily meant to
be about project teams. Most are available to borrow from the public library, and all are great fun.
- Ground Level Sources of Scope Creep
- We usually think of scope creep as having been induced by managerial decisions. And most often, it probably
is. But most project team members — and others as well — can contribute to the problem.
- Team Risks
- Working in teams is necessary in most modern collaborations, but teamwork does carry risks. Here are
some risks worth mitigating.
- 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.
- Risk Creep: I
- Risk creep is a term that describes the insidious and unrecognized increase in risk that occurs despite
our every effort to mitigate risk or avoid it altogether. What are the dominant sources of risk creep?
Forthcoming issues of Point Lookout
- Coming September 25: Planning Disappointments
- When we plan projects, we make estimates of total costs and expected delivery dates. Often these estimates are so wrong — in the wrong direction — that we might as well be planning disappointments. Why is this? Available here and by RSS on September 25.
- And on October 2: Start Anywhere
- Group problem-solving sessions sometimes focus on where to begin, even when what we know about the problem is insufficient for making such decisions. In some cases, preliminary exploration of almost any aspect of the problem can be more helpful than debating what to explore. Available here and by RSS on October 2.
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- The Race to the South Pole: Lessons in Leadership
On 14 December 1911, four men led by Roald Amundsen reached the South Pole. Thirty-five days later, Robert F. Scott and four others followed. Amundsen had won the race to the pole. Amundsen's party returned to base on 26 January 1912. Scott's party perished. As historical drama, why this happened is interesting enough. But to organizational leaders, business analysts, project sponsors, and project managers, the story is fascinating. We'll use the history of this event to explore lessons in leadership and its application to organizational efforts. A fascinating and refreshing look at leadership from the vantage point of history. Read more about this program.
Here's a date for this program:
- Baldwin-Wallace University, 275 Eastland Road, Berea, Ohio
44017: November 7,
Kerzner Lecture Series/International Project Management Day, sponsored by Baldwin Wallace University and the Northeast Ohio Chapter of the Project Management Institute.
- Baldwin-Wallace University, 275 Eastland Road, Berea, Ohio 44017: November 7, Kerzner Lecture Series/International Project Management Day, sponsored by Baldwin Wallace University and the Northeast Ohio Chapter of the Project Management Institute. Register now.
- 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.