ارائه یک مدل ریاضی جهت تعیین سبکهای تصمیم گیری و ارتقای اثربخشی آن در شرایط وجود عدم قطعیت در داده ها

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری ،مدیریت صنعتی،دانشگاه علامه طباطبایی،تهران،ایران

2 استاد، دانشکده مدیریت و حسابداری، دانشگاه علامه طباطبایی،تهران،ایران

چکیده

تصمیم گیری در دنیای واقعی مستلزم در نظر گرفتن شواهد و اطلاعات بدست آمده از منابع مختلفی است که در تصمیم گیری موثر است ،گاه این شواهد و اطلاعات در دسترس و دقیق بوده و گاه چنان پیچیده و مبهم است که منجر به ظهور سبکهای تصمیم گیری گوناگون می گردد. پژهش حاضر برآن است تا بااستفاده از قوانین احتمالات مبتنی بر میزان قطعیت داده ها و بر مبنای تئوری ریاضی شواهد دمپستر شافر الگویی برای تعیین سبک تصمیم گیری مدیران بالاخص در شرایط عدم قطعیت داده ها ارائه دهد.و درنهایت با کاهش عدم قطعیت در اخذ تصمیم منجربه ارتقای اثربخشی تصمیم گیری گردد. در این مدل ، تصمیم گیری برمبنای مولفه ای چهارگانه آن باتوجه به نظرخبرگان ، وبراساس الگوی تئوری شواهد مدلسازی ویک مدل غیرخطی ارائه شد. سپس پرسشنامه ای حاوی 18سوال در خصوص نوع مساله پیش رو جهت تصمیم گیری در مدیران شعب یکی از بانکهای خصوصی در سطح استان گیلان و بر مبنای طیف لیکرت ،توزیع گردید. داده های حاصله باالگوی ارائه شده مدلسازی و نتایج نهایی بدست آمد. نتایج نشان داد که در شرایط قطعیت داده ها رویکرد تحلیلی و عقلائی و در شرایط عدم قطعیت داده ها رویکردهای شهودی جهت تصمیم گیری مورد استفاده قرار می گیرند. به علاوه مدل یشنهادی ، راهکاری را جهت اخذ و ارتقای اثربخشی تصمیمات از طریق تجمیع نظرات خبرگان فراهم می آورد.

کلیدواژه‌ها


عنوان مقاله [English]

Provide a mathematical model for determining decision-making styles and improving its effectiveness in the face of data uncertainty .

نویسندگان [English]

  • masome tadriss hasani 1
  • hosein rahmansersht 2
1 PhD Student, Industrial Management, Allameh Tabatabai University, Tehran, Iran
2 Professor, Faculty of Management and Accounting, Allameh Tabatabai University, Tehran, Iran
چکیده [English]

Decision making in the real world requires considering the evidence and information obtained from various sources that are effective in decision making, sometimes this evidence and information is available and accurate and sometimes so complex and ambiguous that it leads to the emergence of decision styles. There is a lot of confusion. The present study seeks to provide a model for determining managers' decision-making style, especially in the context of data uncertainty, by using probability laws based on data reliability and based on mathematical theory. Improve decision-making effectiveness In this model, the decision was made based on its quadruple component according to the opinion of the reporters, and based on the theoretical model of modeling evidence and nonlinear model. Then, a questionnaire containing 18 questions about the type of problem ahead was distributed for decision making in the managers of the branches of one of the private banks in Gilan province and based on the Likert spectrum. The obtained data were obtained by modeling the presented model and the final results. The results showed that in case of data certainty, analytical and rational approach and in case of data uncertainty, intuitive approaches are used for decision making. In addition, the proposed model provides a solution for obtaining and improving the effectiveness of decisions by consolidating the opinions of experts.

کلیدواژه‌ها [English]

  • Evidence Theory
  • Mathematical modeling
  • Decision making
  • Intuitive Decision Making
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