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Performers, trackers, lemmings and the lost: Sustained false optimism in forecasting project outcomes - Evidence from a quasi-experiment

By Elmar Kutsch, Harvey Maylor, Birgit Weyer and Jonathan Lupson

Abstract

The consistently successful delivery of projects remains an ambition that many organisations do not achieve. Whilst the reasons behind project failure are many, one recognised factor is the ‘planning fallacy’ – over-optimism in the planning phase of a project. Whilst the planning phase of a project may be a battle for acceptance and resource allocation, the execution phase is a battle for delivery. Based on both qualitative and quantitative data gathered from a project management simulation, this study set out to establish whether optimism bias persists beyond the planning phase and into the execution phase, and, if so, to explore the reasons why. The results confirm the extent and impact of optimism bias in initial project planning. More importantly, the contribution of this study is to demonstrate on-going or sustained false op

Topics: MT=PROJECT
Publisher: Elsevier Science B.V., Amsterdam.
Year: 2011
DOI identifier: 10.1016/j.ijproman.2011.01.010
OAI identifier: oai:dspace.lib.cranfield.ac.uk:1826/6856
Provided by: Cranfield CERES
Journal:

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Citations

  1. (1987). A study of the reality of project management,
  2. (2005). Assessing and moving on from the dominant project management discourse in the light of project overruns. doi
  3. (1982). Controlling software projects: Management, measurement, and estimation,
  4. (1997). Critical factors of effective project management. doi
  5. (2006). Critical Risks in Outsourced it Projects: The Intractable and the Unforeseen. doi
  6. (1997). Decomposed versus holistic estimates of effort required for software writing tasks. doi
  7. (2003). Delusions of Success.
  8. (1995). Determinants of risky decision-making behaviour: A test of the mediating role of risk perceptions and propensity. doi
  9. (1996). Earned value project management, doi
  10. (1952). Expectation in economics, Cambridge,
  11. (1980). Facts and fears: Understanding perceived risk. In: doi
  12. (2006). From Nobel prize to project management: Getting risks right.
  13. (1986). Impact of schedule estimation on software project behaviour. doi
  14. (2007). IT Project Management: Infamous failures, classic mistakes, and best practices.
  15. (1990). Judgement and decision making, doi
  16. (1974). Judgement under uncertainty: Heuristics and biases. doi
  17. (2001). Management of risks, uncertainties and opportunities on projects: time for a fundamental shift. doi
  18. (1999). Managerial risk interpretation: Does industry make a difference? doi
  19. (2002). Managing project uncertainty: From variation to chaos. doi
  20. (1989). Megamistakes: Forecasting and the myth of rapid technological change, doi
  21. (2003). Megaprojects and risk: An anatomy of ambition, Cambridge, doi
  22. (2003). Planning, personality, and prediction: The role of future focus in optimistic time predictions. doi
  23. (1998). Project management,
  24. (1997). Project workout,
  25. (1979). Prospect theory: An analysis of decision under risk. doi
  26. (2002). Review of large public procurement in the UK. London: HM Treasury.
  27. (1987). Risk and the relationship among strategy, organizational processes, and performance. doi
  28. (1996). Risk attitudes and risky behaviour.
  29. (1983). Risk perception. In: doi
  30. (1991). Risk, ambiguity, insurance, and the winner's curse. doi
  31. (1998). Situated optimism: Specific outcome expectancies and self-regulation. doi
  32. (1991). Software cost estimation models. In: doi
  33. (2004). The benefits and costs of disclosing information about risks: What do we know about right-to-know? Risk Analysis, doi
  34. (1993). The handbook of project-based management, doi
  35. (2000). The politics of lying: Implications for democracy, doi
  36. (1997). The techniques of risk analysis are insufficient in themselves. doi
  37. TREASURY 2003. The Green Book: Appraisal and Evaluation in Central Government.
  38. (2002). Underestimating Costs in Public Works Projects: Error or Lie? doi
  39. (1980). Unrealistic optimism about future life events. doi
  40. (1993). When Ego Threats Lead to Self-Regulation Failure: Negative Consequences of High Self-Esteem. doi
  41. (1989). When planners lie with numbers.
  42. (2006). When Thinking Beats Doing: The Role of Optimistic Expectations on Goal-Based Choice. doi
  43. (2004). Why We Lie: The evolutionary roots of deception and the unconscious mind doi

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