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A Variable Time Project Planning and Control Model

Author(s): Charles W. Butler, Gary L. Richardson

Citation: Charles W. Butler, Gary L. Richardson, (2011) "A Variable Time Project Planning and Control Model" Journal of Management Policy and Practice, Vol. 12, Iss. 6, pp. 11 - 19

Article Type: Research paper

Publisher: North American Business Press


The typical method for project scheduling uses a single time estimate for all tasks. Yet, it is likely that
each task will vary from that singular value as will the planned project completion date. Rather than
using a deterministic date that is inaccurate, it is suggested that a more rigorous model use probabilistic
time estimates that support processes yielding a more desirable answer. This paper will illustrate a
method using variable time estimates associated with a Critical Chain Theory implementation to produce
project schedules that have potential to be finished on schedule and actually shorten traditional cycle