Experience with Critical Path Method
Administrative computing department at Dartmouth used the Critical Path Method for implementation phase of major projects.
Experience: Elapsed time to complete projects was consistently 25% to 40% longer than predicted by model.
? Some tasks not anticipated (incomplete understanding)
? Some tasks had to be redone (change of requirements, technical changes)
? Key personnel on many activities (schedule conflicts)
? System ZZZ (non-billable hours)