We recently completed an article “Schedule Estimation: Politics, Science, or Art? part 1”. We have multiple flaws in the tools and techniques available. All err on the side of optimism. Those errors can be additive. The result can lull you into thinking you have really analyzed your schedule and accounted for everything. In reality you may have produced, at best, a very optimistic schedule, and at worst, an unachievable one. A high percentage of projects are late and over budget. Is that because the original estimated schedules were optimistic or even unachievable or because of failures in execution? You can download Schedule Estimation: Politics, Science, or Art? Part 1 from this site. We hope you enjoy this article and we encourage debate on this blog and what should be done about these problems, which is part 2.
Dave and Luciano