Where have all the equations gone? A unified view on semi-quantitative problem structuring and modelling
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For several decades structural modelling has assisted decision makers with the cognitive burden of exploring and interpreting complex situations. Three well-known techniques–labelled collectively here as semi-quantitative problem structuring and modelling (SPSM)–include ISM (Interpretive Structural Modelling); MICMAC (Matrice d’Impacts Croisés-Multiplication Appliquée à un Classement); and DEMATEL (DEcision MAking Trial and Evaluation Laboratory). SPSM approaches pioneered the joint application of graph-theoretical principles and human-computer interaction. Yet today a template-style research approach prevails, focusing on the application context rather than seeking to advance or critically assess the individual techniques in their own right. This paper develops a unifying methodological view of SPSM, currently missing in the literature, by comparing and contrasting–for each technique–analytical and procedural aspects typically taken for granted. The paper’s findings highlight: 1) Previously unnoticed overlaps between techniques that up to now have been deemed mutually exclusive, and incongruences between those that are often applied jointly; 2) Potential issues that arise when key analytical principles of SPSM are either applied uncritically or dispensed with altogether; 3) The need to leverage human-computer interaction, a prominent aspect in early SPSM research that is now surprisingly neglected. These findings are illustrated by a review of SPSM applications in the supply chain risk management context
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1476-9360
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Biotechnology and Biological Sciences Research Council (BB/P027970/1)
Engineering and Physical Sciences Research Council (EP/P006965/1)
BBSRC (BB/V004832/1)