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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/21712

    Title: Comparisons and sensitivity study for investigation of factors of work sampling models
    Authors: She, M. H.;Hsu, B. M.;Lou, Kuo-ren
    Contributors: 淡江大學經營決策學系
    Keywords: work sampling;alternating Poisson process;delayed randomization model;fixed-random mixture model;Erlang model
    Date: 2004-06-21
    Issue Date: 2009-11-30 13:38:25 (UTC+8)
    Publisher: 臺北縣淡水鎮 : 淡江大學
    Abstract: Work sampling utilizing the sampling techniques to understand the characteristics of
    a process rather than the entire process has been widely used in the industrial settings to
    set standards, in pharmacies to describe work patterns, and in the medical education to
    describe house staff training. Three procedures for work sampling, the delayed
    randomization, fixed-random mixture sampling, and the Erlang sampling models of an
    alternating Poisson process, have been proposed for gaining some of the efficiency
    advantage of fixed sampling while retaining some degree of randomization. These three
    different procedures have different parameters that can be altered to reduce the variance,
    improve information. In this paper, comparisons of three sampling methods are
    discussed. Moreover, one never knows the nature of the process being sampled.
    Sometimes, the processes are too complex to allow realistic models to be evaluated by
    mathematical methods and these models must be studied by means of simulation. A
    designed sensitivity study of the robustness of the Erlang sampling model is conducted by
    simulation and the effects of process factors that cause the deviations from the
    assumptions of the APP process are investigated.
    Relation: 2004年兩岸管理科學暨經營決策學術研討會論文集, pp.53-67
    Appears in Collections:[Department of Management Sciences] Proceeding

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