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Program evaluation and review technique
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<p>The program evaluation and review technique (PERT) is a statistical tool used in <a href="/facts/Project_management/JgQVSU3o">project management</a>, which was designed to analyze and represent the <a href="/facts/Task_(project_management)/2ufY8v5B">tasks</a> involved in completing a given <a href="/facts/Project/7pXnTsmF">project</a>. </p><p>PERT was originally developed by Charles E. Clark for the <a href="/facts/United_States_Navy/xYK0fUou">United States Navy</a> in 1958; it is commonly used in conjunction with the <a href="/facts/Critical_Path_Method/cl8LtYqY">Critical Path Method</a> (CPM), which was also introduced in 1958. </p>