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Concept
Problem structuring methods
Summary
Problem structuring methods (PSMs) are a group of techniques used to model or to map the nature or structure of a situation or state of affairs that some people want to change. PSMs are usually used by a group of people in collaboration (rather than by a solitary individual) to create a consensus about, or at least to facilitate negotiations about, what needs to change. Some widely adopted PSMs include soft systems methodology, the strategic choice approach, and strategic options development and analysis (SODA).
Unlike some problem solving methods that assume that all the relevant issues and constraints and goals that constitute the problem are defined in advance or are uncontroversial, PSMs assume that there is no single uncontested representation of what constitutes the problem.
PSMs are mostly used with groups of people, but PSMs have also influenced the coaching and counseling of individuals.
The term "problem structuring methods" as a label for these techniques began to be used in the 1980s in the field of operations research, especially after the publication of the book Rational Analysis for a Problematic World: Problem Structuring Methods for Complexity, Uncertainty and Conflict. Some of the methods that came to be called PSMs had been in use since the 1960s.
Thinkers who later came to be recognized as significant early contributors to the theory and practice of PSMs include:
Horst Rittel and Melvin M. Webber
Russell L. Ackoff
Peter Checkland
Colin Eden and Fran Ackermann
Robert L. Flood and Michael C. Jackson
Jonathan Rosenhead and John Mingers
Cynefin framework#Domains
In discussions of problem structuring methods, it is common to distinguish between two different types of situations that could be considered to be problems. Rittel and Webber's distinction between tame problems and wicked problems () is a well known example of such types.
Official source
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