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wide band delphi estimation process
1.1 software project task and time estimating 【程序编程相关:ofbiz——工作流学习笔记一(xpdl】
1. introduction 【推荐阅读:IT监理与项目管理】
time estimation takes each task identified and assigns a time duration, in days or weeks, to complete the task. the total time of the project will be the summation of the task times taking into account number of resources, task dependencies and resource availability. 【扩展信息:patch rtai 24.1.13 a】
task estimation provides a project with a more accurate breakdown of the tasks needed to complete their project successfully. each work unit is called a task. the tasks needed to complete the project will depend upon the start point of the project and the goal. this task list is commonly known as work breakdown structure (wbs).
task and time estimating is a complex problem that is rarely done well.
this process contains the best known practices for generating accurate schedules.
1.2 approach
to create a process which will help develop a wbs with estimated times for each task in the wbs. this approach should give the following benefits: improve accuracy of plan. gives project team commitment. provide an easy to use process.
2. process description
the estimation process is based upon a group technique called wide band delphi [1]. it helps experts in the estimation subject area to understand each others concerns. the group as a whole arrives at a common estimate as a result of the following process.
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