Soft Systems Methodology: a Thirty Year Retrospectivea
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Systems Research and Behavioral Science Syst. Res. 17, S11–S58 (2000) Ž Research Paper Soft Systems Methodology: A Thirty Year Retrospectivea Peter Checkland* 25 Pinewood Avenue, Bolton-le-Sands, Carnforth, Lancashire, LA5 8AR, UK INTRODUCTION But the fact that general systems theory (GST) has failed in its application does not mean that Although the history of thought reveals a number systems thinking itself has failed. It has in fact of holistic thinkers — Aristotle, Marx, Husserl flourished in several different ways which were among them — it was only in the 1950s that any not anticipated in 1954. There has been devel- version of holistic thinking became insti- opment of systems ideas as such, development of tutionalized. The kind of holistic thinking which the use of systems ideas in particular subject then came to the fore, and was the concern of a areas, and combinations of the two. The devel- newly created organization, was that which opment in the 1970s by Maturana and Varela makes explicit use of the concept of ‘system’, and (1980) of the concept of a system whose elements today it is ‘systems thinking’ in its various forms generate the system itself provided a way of cap- which would be taken to be the very paradigm turing the essence of an autonomous living sys- of thinking holistically. In 1954, as recounted in tem without resorting to use of an observer’s Chapter 3 of Systems Thinking, Systems Practice, notions of ‘purpose’, ‘goal’, ‘information pro- only one kind of systems thinking was on the cessing’ or ‘function’. (This contrasts with the the- table: the development of a mathematically ory in Miller’s Living Systems (1978), which expressed general theory of systems. It was sup- provides a general model of a living entity expre- posed that this would provide a meta-level lan- ssed in the language of an observer, so that what guage and theory in which the problems of many makes the entity autonomous is not central to different disciplines could be expressed and the theory.) This provides a good example of the solved; and it was hoped that doing this would further development of systems ideas as such. help to promote the unity of science. The rethinking, by Chorley and Kennedy (1971), These were the aspirations of the pioneers, but of physical geography as the study of the dynam- looking back from 1999 we can see that the project ics of systems of four kinds, is an example of the has not succeeded. The literature contains very use of systems thinking to illuminate a particular little of the kind of outcomes anticipated by the subject area. founders of the Society for General Systems This paper provides an example of the third Research; and scholars in the many subject areas kind of development: a combination of the two to which a holistic approach is relevant have been illustrated above. We set out to see if systems understandably reluctant to see their pet subject ideas could help us to tackle the messy problems as simply one more example of some broader of ‘management’, broadly defined. ‘general system’! In trying to do this we found ourselves having to develop some new systems concepts as a *Correspondence to: Peter Checkland, 25 Pinewood Avenue, Bolton- response to the complexity of the everyday prob- le-Sands, Carnforth, Lancashire, LA5 8AR. aReproduced from Soft Systems Methodology in Action, John Wiley & lem situations we encountered, the kind of situ- Sons, Ltd, Chichester, 1999. ations which we all have to deal with in both our Copyright Þ 2000 John Wiley & Sons, Ltd. RESEARCH PAPER Syst. Res. professional and our private lives. The aim in the cations (SCMA) (Wilson 1984, 2nd Edn 1990) research process we adopted was to make neither describes the response of a professional control the ideas nor the practical experience dominant. engineer to experiences in the Lancaster pro- Rather the intention was to allow the tentative gramme of action research; less concerned with ideas to inform the practice which then became the human and social aspects of problem situ- the source of enriched ideas — and so on, round ations, it cleaves to the functional logic of engin- a learning cycle. This is the action research cycle eering and presents an approach which Holwell whose emergence is described in Systems Think- (1997) argues is best viewed as classic systems ing, Systems Practice and whose use and further engineering with the transforming addition of development is the subject of SSM in Action. human activity system modelling. The action research programme at Lancaster Soft Systems Methodology in Action (SSMA) University was initiated by the late Gwilym Jenk- (Checkland and Scholes 1990) describes the use of ins, first Professor of Systems at a British univer- a mature SSM in both limited and wide-ranging sity, and Philip Youle, the perspicacious manager situations in both public and private sectors; it in ICI who saw the need for the kind of col- moves beyond the ‘seven-stage’ model of the laboration between universities and outside methodology (still useful for teaching purposes organizations which the action research pro- and — occasionally — in some real situations) to gramme required. Thirty years later that pro- see it as a sense-making approach, which, once gramme still continues, and with the same aim: internalized, allows exploration of how people to find ways of understanding and coping with in a specific situation create for themselves the the perplexing difficulties of taking action, both meaning of their world and so act intentionally; individually and in groups, to ‘improve’ the situ- the book also initiates a wider discussion of the ations which day-to-day life continuously creates concept of ‘methodology’, a discussion which and continually changes. Specifically, the pro- will be extended below. gramme explores the value of the powerful bun- Information, Systems and Information Systems dle of ideas captured in the notion ‘system’, and (ISIS) (Checkland and Holwell 1998) stems from they have not been found wanting, though both the fact that in very many of the Lancaster action the ideas themselves and the ways of using them research projects the creation of ‘information sys- have been extended as a result of the practical tems’ was usually a relevant, and often a core, experiences. concern; it attempts some conceptual cleansing The progress of the 30 years of research has of the confused field of IS and IT, treating IS as been chronicled and reflected upon since 1972 in being centrally concerned with the human act of about 100 papers and four books — which will creating meaning, and relates experiences based be referred to in the remainder of this chapter by on a mature use of SSM to a fundamental con- the initials of their titles. The nature of the books ceptualization of the field of IS/IT; it carries for- is summarized briefly below. ward the discussion of SSM as methodology but Systems Thinking, Systems Practice (STSP) less explicitly than will be attempted here. (Checkland 1981) makes sense of systems think- It is important to understand the nature of ing by seeing it as an attempt to avoid the these books if the aim of this chapter is itself to reductionism of natural science, highly successful be properly understood. The less than impressive though that is when investigating natural but nevertheless sprawling literature of ‘man- phenomena; it describes early experiences of try- agement’ caters in different ways for several dif- ing to apply ‘systems engineering’ outside the ferent audiences. There is an apparent insatiable technical area for which it was developed, the appetite for glib journalistic productions, offering rethinking of ‘systems thinking’ which early claimed insights for little or no reader effort — experience made necessary, and sets out the first Distribution Management in an Afternoon: that developed form of SSM as a seven-stage process kind of thing. Such books are more often pur- of inquiry. chased than actually read. There is also a need Systems: Concepts, Methodologies and Appli- for textbooks which systematically display the Copyright Âc 2000 John Wiley & Sons, Ltd. Syst. Res. 17, S11–S58 (2000) S12 Peter Checkland Syst. Res. RESEARCH PAPER conventional wisdom of a subject for aspiring of Gwilym Jenkins when he moved to Lancaster students. These need to be updated periodically University in the mid-1960s to found the first in new editions. And also, more austerely, there systems department in a UK university. He did are books which carry the discussion which is the not want a department which could be dismissed real essence of any developing subject, and try to as ‘academic’. He rejected the idea that the name extend the boundaries of our knowledge. The of the department should be Systems Analysis, in books described above are of this kind. It is not favour of a Department of Systems Engineering. usually appropriate — as it is with textbooks — ‘Analysis is not enough’, he used to say hereti- to update them in new editions. They are ‘of their cally. ‘Beyond analysis it is important to put time’. But it is useful on republication to offer something together, to create, to ‘‘engineer’’ reflections on the further development of the something.’ Given this attitude it was not sur- ideas as new experiences have accumulated since prising that he initiated the programme of action the books were written. That is what is done here research in real-world organizations outside the for STSP and SSMA. university. The intellectual starting point was A particular structure is adopted. First, the Optner’s concept (1965) that an organization emergence of soft systems thinking is briefly could be taken to be a system with functional revisited.