RT info:eu-repo/semantics/article T1 A new consensus ranking approach for correlated ordinal information based on Mahalanobis distance A1 González Arteaga, María Teresa A1 Alcantud, José Carlos R. A1 Andrés Calle, Rocío de K1 Decisiones AB We investigate from a global point of view the existence of cohesiveness among experts’ opinions. We address this general issue from three basic essentials: the management of experts’ opinions when they are expressed by ordinal information; the measurement of the degree of dissensus among such opinions; and the achievement of a group solution that conveys the minimum dissensus to the experts’ group.Accordingly, we propose and characterize a new procedure to codify ordinal information. We also define a new measurement of the degree of dissensus among individual preferences based on the Mahalanobis distance. It is especially designed for the case of possibly correlated alternatives. Finally, we investigate a procedure to obtain a social consensus solution that also includes the possibility of alternatives that are correlated. In addition, we examine the main traits of the dissensus measurement as well as the social solution proposed. The operational character and intuitive interpretation of our approaches are illustrated by an explanatory example. PB Elsevier SN 0020-0255 YR 2016 FD 2016 LK http://uvadoc.uva.es/handle/10324/22900 UL http://uvadoc.uva.es/handle/10324/22900 LA eng NO Information Sciences, 2016, 372, pp. 546-564 NO Producción Científica DS UVaDOC RD 26-abr-2024