The term scope creep describes a gradual expansion of an effort's scope, often outside the awareness of the people involved. They do recognize that the effort has become more ambitious, but they usually express surprise and shock when they finally appreciate the size of the resource shortfall. Curiously, the word creep doesn't connote growth or expansion — it carries instead a sense of gradual change with no direction implied.
That raises several questions. When scope creeps, why does it expand much more often than it contracts? Why don't we ever wake up one morning shocked to find enormous budget surpluses resulting from the gradual ebbing of scope that took place outside our awareness? Why do we never finish projects under budget and early because of out-of-control scope ebbing?
Downscoping does happen, usually when we trim goals to get out of trouble. But downscoping is consciously planned. Scope creep is neither conscious nor planned. The real question is: Why do so many unplanned changes of scope lead to scope expansion instead of scope contraction?
Two classes of mechanisms might explain the dominance of expansion over contraction. First, when we make scope change decisions, we might systematically fail to investigate — or even consider — suggestions that contract scope. Second, when we make such decisions, we might systematically favor alternatives that expand scope.
Because cognitive biases often provide intriguing explanations of behavioral phenomena that seem unrelated to intent, here is Part I of a short catalog of relevant cognitive biases, emphasizing systematic biases inhibiting adoption or consideration of scope contraction strategies.
- Sunk Cost Effect
- To investors, the term sunk cost describes costs already incurred and not recoverable. The sunk cost effect [Staw 1976] is a bias that tends to make us unwilling to terminate an effort, because of the difficulty of accepting failure, even when continuing the effort will only lead to greater losses.
- Irrational Escalation
- Irrational escalationWhy don't we ever wake up in the
morning shocked to find enormous
budget surpluses resulting from
the gradual ebbing of scope
that took place outside
our awareness? bias can cause us to commit increasing levels of resources even when evidence strongly indicates that doing so is foolish. Unlike the Sunk Cost Effect, this bias can take hold even before resources have actually been expended. Mere commitment of resources is all that's required. For example, in bidding wars, the bidders eventually increase their bids well beyond the value of the items sought.
- Endowment Effect
- This bias affects how we value what we possess relative to what we don't. We tend to ascribe greater value to what we have now than we would be willing to pay to acquire it. In the business context, this bias might account for overvaluing work already performed, which could enhance both the sunk cost effect and irrational escalation. We might also overvalue the opportunity to continue work already underway, relative to any work we might do instead.
These three biases can contribute to failure to consider scope reduction alternatives. Next time, we'll examine biases that might make us more receptive to scope expansion. First in this series Next in this series Top Next Issue
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More articles on Project Management:
- Geese Don't Land on Twigs
- Since companies sometimes tackle projects that they have no hope of completing successfully, your project
might be completely wrong for your company. How can you tell whether your project is a fit for your company?
- Films Not About Project Teams: II
- Here's Part II 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.
- Nonlinear Work: Internal Interactions
- In this part of our exploration of nonlinear work, we consider the effects of interactions between the
internal elements of an effort, as distinguished from the effects of external changes. Many of the surprises
we encounter in projects arise from internals.
- False Summits: II
- When climbers encounter "false summits," hope of an early end to the climb comes to an end.
The psychological effects can threaten the morale and even the safety of the climbing party. So it is
in project work.
- 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.
Forthcoming issues of Point Lookout
- Coming July 17: Barriers to Accepting Truth: II
- When we work to resolve differences of opinion at work, we often depend on informing each other of what we believe to be real facts. At times, to our surprise, our debate partners reject these offerings as untrue, even when they're confirmed authoritatively. Why? And what can we do about it? Available here and by RSS on July 17.
- And on July 24: The Stupidity Attribution Error
- In workplace debates, we sometimes conclude erroneously that only stupidity can explain why our debate partners fail to grasp the elegance or importance of our arguments. There are many other possibilities. Available here and by RSS on July 24.
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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.
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