Document Type : Original Article


1 PhD student in Technology Management, Faculty of Management, Economics and Development Engineering, University of Science and Technology, Tehran, Iran

2 Faculty member, School of Management, Economics and Engineering Progress, University of Science and Technology,Tehran, Iran.


The main issue in management science is decision making, and the success or failure of any manager can be considered dependent on his decisions. One of the methods that can help a lot in the correctness of managers' decisions is collective decision-making. This article tries to explain the concepts related to collective decision making and then the most important questions related to this method are answered using the grounded theory method. In this article, using the semi-structured interview, the opinions of 36 organizational and academic experts have been used. After collecting data through interviews, the components were coded openly, axially, and selectively. The results show that there are 35 concepts around the central phenomenon of collective decision-making that can be divided into 6 categories: causal conditions, contextual conditions, intervening conditions, central phenomenon, strategies, and consequences. An important innovation of this paper is the presentation of a collective decision model using the grounded theory method that can convey useful information to managers in a concise manner, and motivate them to use this method.


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