Projects go over-budget and over-schedule; small ones, like renovating your kitchen, and huge ones, like constructing the Sydney Opera House. One main reason is our overconfident optimistic approach to planning. Behavioral psychologists call this the “Planning Fallacy“.

This post defines the concept of planning fallacy, gives examples of its consequences on some global projects, and provides some tips to mitigate it.

The Planning Fallacy

The planning fallacy is when we underestimate the time and resources needed to complete a project. We are often optimistic about our performance and the outcome of the project, so we take our desires for real plans.

The planning fallacy is a cognitive bias that fools our decision-making ability into considering the best-case scenario. It has a somewhat positive side, which is risk-taking. This cognitive bias allows us to take both small risks, such as opening a small business, and huge risks such as starting a war.

Catastrophic Project Plans

The following chart presents some major projects around the globe that went catastrophically over-budget. Notice the trend; the bigger the project, the higher the overbudget.

Mitigate the Planning Fallacy

Among the methods to mitigate the planning fallacy, we present the major three: Continue reading “Outsmart The Planning Fallacy” →