This term is defined in the 5th edition of the PMBOK. This will ensure that everything will be right on schedule. (Note: Overlaps with, but not the same as the PMI defined Tools and Techniques. Estimate activity duration is a critical step in project management because it helps project managers accurately and precisely creates estimates of the project activities. Six Methods for the Estimation of Activity Duration in Project Management by Bert Markgraf, studioD Estimate Activity Durations is the technique towards evaluating the number of work periods required to finish individual activities with estimated resources.Group decision-making techniques was a technique. In the 5th edition, activity cost estimates was an input. See section 6.4 of the PMBOK, 5th edition when it was called estimate activity resources or section 6.4 of the 6th edition when the name changed to estimate activity durations and it moved from the time management (now schedule management) knowledge area to resource management. ( Critical chain method handles this under risk. Project management plan ( schedule management plan, scope baseline), project documents ( activity attributes, activity list, assumption log, lesson learned register, milestone list, project team assignments, resource breakdown structure resource calendars, resource requirements risk register), enterprise environmental factors, organizational process assetsĮxpert judgment, alternative analysis, published estimating data, bottom-up estimating, data analysis ( alternative analysis, reserve analysis) decision making ( voting), meetingsĭuration estimates, basis of estimates, project documents updates ( activity attributes, assumption log, lessons learned register)ĭuration is the elapsed time, usually measured in working days.Ĭritical path method puts the schedule reserves into the Activities. The estimate activity durations process is in the PMI process group of planning and the PMI knowledge area of time management.Īccording to the PMBOK, this activity has the following characteristics:

Once the activities have been defined, it is necessary to estimate activity durations before a developing the schedule.

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Estimate activity durations