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By Maryse Salles

The objective of this booklet is to question the relationships fascinated about choice making and the structures designed to aid it: choice aid structures (DSS). the point of interest is on how those structures are engineered; to prevent and consider the inquiries to be requested in the course of the engineering strategy and, specifically, in regards to the impression designers’ offerings have on those systems. 

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Issued from the State or the EU) relating to the use of received funds. The evaluation format is, therefore, set by the authority and the use of indicators is specifically required. ). New needs relating to information and decision support also arise from governance, which presupposes that the territorial authority cooperates with multiple players. The authority must be capable of identifying players, understanding their needs, defining projects in cooperation with them, managing their multi-party implementation, conducting a shared evaluation, etc.

Managing a complex system This section will briefly describe the main components of the management of a complex system, drawing inspiration from systems theory and more specifically research by Mélèse [MÉL 72], whose management model is still incredibly robust. Henceforth, the unit considered in analysis will be called the system. An enterprise, a State service and an authority can, therefore, all be seen as systems, as can one of their branches or one of the services of a branch. Systems theory divides all types of systems into three subsystems (which for reasons of simplicity we will call “systems”): the management system (which some authors call the “decision system”), the production system (in a wider sense) and the IS.

E. the concrete implementation of a decision) or an objective (according to the management model presented above). 2. Index In addition to the notion of indicators, we would like to put forward that of indices: a piece of formalized information (a measurement) that is not directly linked to an objective or to an action variable will be called an index (and not an indicator); an index is either a one-off or a regular measurement. ); – or an subject that we have not, or have not yet, decided to control (for example, the numbers of a rare species of amphibians).

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