Morphological analysis (problem-solving)

General morphology was developed by Fritz Zwicky, the Bulgarian-born, Swiss-national astrophysicist based at the California Institute of Technology. Among others, Zwicky applied morphological analysis to astronomical studies and jet and rocket propulsion systems. As a problem-structuring and problem-solving technique, morphological analysis was designed for multi-dimensional, non-quantifiable problems where causal modelling and simulation do not function well, or at all.

Zwicky developed this approach to address seemingly non-reducible complexity: using the technique of cross-consistency assessment (CCA), the system allows for reduction by identifying the possible solutions that actually exist, eliminating the illogical solution combinations in a grid box (sometimes called a morphological box) rather than reducing the number of variables involved.{{Cite journal|last=Ritchey|first=T|date=July 2006|title=Problem structuring using computer-aided morphological analysis|journal=Journal of the Operational Research Society|volume=57|issue=7|pages=792–801|doi=10.1057/palgrave.jors.2602177|s2cid=19792496|issn=0160-5682}}

File:Morphological box (bread example).png

Problems that involve many governing factors, where most of them cannot be expressed numerically can be well suited for morphological analysis.

The conventional approach is to break a complex system into parts, isolate the parts (dropping the 'trivial' elements) whose contributions are critical to the output and solve the simplified system for desired scenarios. The disadvantage of this method is that many real-world phenomena do not have obviously trivial elements and cannot be simplified.

Morphological analysis works backwards from the output towards the system internals without a simplification step.Modelling Complex Socio-Technical Systems Using Morphological Analysis (Ritchey 2003-06)[http://www.swemorph.com/pdf/it-webart.pdf] {{Webarchive|url=https://web.archive.org/web/20070929124133/http://www.swemorph.com/pdf/it-webart.pdf|date=2007-09-29}} The system's interactions are fully accounted for in the analysis.

Robert A. Heinlein has his characters use a "Zwicky box" in Time Enough for Love, to figure out what's available to break the ennui of his 2000-year-old character.

David Brin used "Zwicky Choice Boxes" in Sundiver as a means to help solve a murder mystery.

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• Corporate strategy
• Futures studies
• Influence diagrams
• Market research
• Scenario analysis
• Scenario planning
• Socio-technical systems
• Stakeholder analysis
• Strategic planning
• TRIZ
• Wicked problem

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Category:Morphology

Category:Problem solving methods