A Systematic Literature Review of the Collective Decision-Making

Collective decision-making is the process by which a group of people makes a single decision on a particular issue to achieve improvement by realizing their goal. Collective decision-making is known as one of the most important ways to achieve optimal decision-making. This paper aims to provide a comprehensive picture of the dimensions of collective decision-making and to answer a set of related questions in this field via a systematic literature review (SLR). In this regard, in the first part, the collective decision-making will be introduced and the SLR protocol will be examined in 5 steps. In the next section, the most important keywords and areas of research are identified and a co-word analysis map in the field of collective decision-making is drawn for the period between 1990 and March 2021 on the Web of Science. In the following, research questions will be answered. In response to these questions, the need for use and examples of the use of collective decision-making is stated. Then, effective factors in collective decision-making are examined and the way to reach a collective decision is explained. Finally, the advantages and disadvantages of collective decision-making are discussed and its methods and tools are described. Also, models of collective decision-making are given as a sample and an analysis of the results is provided.