Project Estimation and Project Failure

Several times recently I've been involved in discussions about project estimation, sometimes with project managers and other times in general conversation about project failure. Here is my opinion on why both duration and effort are important in estimation and neither can be ignored. This my personal opinion and every project and organisation may differ and should be treated appropriately by using the correct project management and software design methods.

For more information see Gary's blog at http://thompson-web.blogspot.com/2008/04/project-estimation-duration-effort-and.html