TAILIEUCHUNG - Lecture Human computer interaction: Lecture 19 - Professor Dr. Sajjad Mohsin
In this chapter describe a range of models that can be used during the interface design process. Just as in the design of the office block several different types of model are required for different aspects of the building, so in interface design we would expect to use a whole selection of complementary methods. | Lecture 19 socio-organizational issues and stakeholder requirements –Part 2 Today’s Topics Introduction to Soft System Methodology System SSM introduction SSM activities CATWOE model Conceptual modeling Participatory Design Soft System Methodology -SSM Soft systems methodology (SSM) is a systemic approach for tackling real-world problematic situations. Developed primarily by Peter Checkland (UK) as a result of 30 years research work. Published in 1981. Systems Thinking and SSM First we will look into Properties of systems What are “Hard” and “soft” approaches? Introduction to Soft Systems Methodology Some SSM techniques Note that this lecture is to supplement or introduce your workbook. Your workbook and the supporting seminar are is the main source of learning on today’s topic. First . What is a system? What is systems thinking? A systems typology Natural systems – living and non-living, from subatomic to ecosystems and galaxies. Designed systems Physical, . train, chainsaw, dam Abstract, systems of knowledge or philosophy Human activity systems – “purposeful wholes”, . the gas industry, the City Council. Social systems – overlap natural and human activity systems, . family. (Checkland, 1981) There are other typologies, for example, Waring, A. (1996), Practical Systems Thinking, London:Thompson. He has Natural Designed abstract, . languages Designed Technical Human activity. Socio-Technical Systems Systems ideas have been applied to organizational behaviour in many ways. For example, the concept of socio-technical systems sees organizational systems as having Technical subsystem – formal processes, tasks, machinery, programs, with official goals, etc. Social subsystem – human concerns & needs; personal goals, views & interests; communications, motivation, job satisfaction etc. We’ve already seen some systems ideas in the form of socio-technical system theory. “Organisational systems” can of course include IS. Characteristics of Systems
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