• Spiro N. Pollalis


Project management is a highly behavioral field. The tasks are planned by people and executed by other people. Usually the tasks require a team effort and scheduling assumes a team harmony during the execution of the project. The tasks are also highly interdependent. They are progressing as long as other tasks are either completed or progressing at a certain rate. Different objectives within a project are common and it is hard to have a congruence of all the parties involved in what they expect from the execution (or not) of a project. In addition, external relations affect the planning and execution of projects, as a result of power dynamics and conflicts of interests.


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  1. 1.
    Frequently the distinction between pure and composite tasks depends on the employed level of abstraction, since what may appear as a pure task at a certain level of analysis, can often be decomposed into a number of subordinate pure tasks at a finer level of detail.Google Scholar

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© Springer Fachmedien Wiesbaden 1993

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  • Spiro N. Pollalis

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