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{{Short description|Set of procedures, techniques, aids, or tools for designing}}

{{Multiple issues|

'''Design methods''' are procedures, techniques, aids, or tools for designing. They offer a number of different kinds of activities that a designer might use within an overall design process. Conventional procedures of design, such as drawing, can be regarded as design methods, but since the 1950s new procedures have been developed that are more usually grouped under the name of "design methods". What design methods have in common is that they "are attempts to make public the hitherto private thinking of designers; to ''externalise'' the design process".<ref name="Jones Design Methods">{{cite book |last1=Jones |first1=J. Christopher |title=Design Methods |url=https://archive.org/details/ilmontanarodelg00castgoog |date=1980 |publisher=Wiley |___location=UK}}</ref>

{{more citations needed|date=January 2007}}

{{original research|date=September 2007}}

{{POV|date=February 2016}}

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'''Design methods'methodology'' areis procedures,the techniques,broader aids, or tools for designing. They offer a numberstudy of differentmethod kinds of activities that a designer might use within an overallin design: process.the Conventional proceduresstudy of design,the such as drawingprinciples, canpractices be regarded as design methods, but since the 1950s newand procedures have been developed that are more usually grouped together under the name of "design methods". What design methods have in common is that they "are attempts to make public the hitherto private thinking of designers; to ''externalise'' the design process"designing.<ref name="JonesCross Design MethodsMethodology">{{cite book |last1=JonesCross |first1=J. ChristopherNigel |title=Developments in Design MethodsMethodology |date=19801984 |publisher=Wiley |___location=UK |isbn=978-0471102489}}</ref>

''Design methodology'' is the broader study of method in design: the study of the principles, practices and procedures of designing.<ref name="Cross Methodology">{{cite book |last1=Cross |first1=Nigel |title=Developments in Design Methodology |date=1984 |publisher=Wiley |___location=UK |isbn=0471102482}}</ref>

==Background==

Design methods originated in new approaches to [[problem solving]] developed in the mid-20th Century, and also in response to industrialisation and mass-production, which changed the nature of designing.<ref>Cross, N. (1993) "A History Of Design Methodology", in de Vries, J., N. Cross and D. P. Grant (eds.), ''Design Methodology and Relationships with Science'', Kluwer Press, The Netherlands. 15–27.</ref> A "Conference on Systematic and Intuitive Methods in Engineering, Industrial Design, Architecture and Communications", held in London in 1962<ref>Jones, J. C. and D. G. Thornley, (eds) (1963) ''Conference on Design Methods'', Pergamon Press, UK.</ref> is regarded as a key event marking the beginning of what became known within design studies as the "design methods movement", leading to the founding of the [[Design Research Society]] and influencing design education and practice. Leading figures in this movement in the UK were [[John Christopher Jones|J. Christopher Jones]] at the [[University of Manchester]] and [[L. Bruce Archer]] at the [[Royal College of Art]].

The movement developed through further conferences on new design methods in the UK and USA in the 1960s.<ref>Gregory, S. A. (ed.) ''The Design Method''. Butterworth, UK.</ref><ref>Broadbent, G. and A. Ward (eds) (1969) ''Design Methods in Architecture'', Lund Humphries, UK</ref><ref>Moore, G. T. (ed.) (1970) ''Emerging Methods in Environmental Design and Planning'', MIT Press, USA.</ref> The first books on rational design methods,<ref>Asimow, M. (1962) ''Introduction to Design'', Prentice-Hall, USA.</ref><ref>Alexander, C. (1964) ''Notes on the Synthesis of Form'', Harvard University Press, USA.</ref><ref>Archer, L. B. (1965) ''Systematic Method for Designers'', The Design Council, UK</ref> and on creative methods<ref>Gordon, W. J. (1961) ''Synectics'', Harper & Row, USA.</ref><ref>Osborn, A. F. (1963) ''Applied Imagination: Principles and Procedures of Creative Thinking'', Scribener's Sons, USA.</ref> also appeared in this period.

New approaches to design were developing at the same time in Germany, notably at the [[Ulm School of Design]] (Hochschule für Gestaltung–HfG Ulm) (1953–1968) under the leadership of [[Tomás Maldonado]]. Design teaching at Ulm integrated design with science (including social sciences) and introduced new fields of study such as [[cybernetics]], [[systems theory]] and [[semiotics]] into design education.<ref>Krampen, M. and G. Hörman (2003) ''The Ulm School of Design'', Ernst & Sohn, Germany. p.85</ref> [[L. Bruce Archer|Bruce Archer]] also taught at Ulm, and another influential teacher was [[Horst Rittel]].<ref> Rith, C. and Dubberly, H,. (2007) "Why Horst W J Rittel Matters", ''Design Issues'', '''23''', 72–91</ref> In 1963 Rittel moved to the School of Architecture at the [[University of California, Berkeley]], where he helped found the Design Methods Group, a society focused on developing and promoting new methods especially in architecture and planning.

At the end of the 1960s two influential, but quite different works were published: [[Herbert A. Simon]]'s ''The Sciences of the Artificial'' and [[John Christopher Jones|J. Christopher Jones]]'s ''Design Methods''.<ref>Simon, H. A. (1969) ''The Sciences of the Artificial'', MIT Press, USA.</ref><ref>Jones, J. C. (1970) ''Design Methods: Seeds of Human Futures'', Wiley, UK</ref> Simon proposed the "science of design" as "a body of intellectually tough, analytic, partly formalizable, partly empirical, teachable doctrine about the design process", whereas Jones catalogued a variety of approaches to design, both rational and creative, within a context of a broad, futures creating, systems view of design.

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The 1970s saw some reaction against the rationality of design methods, notably from two of its pioneers, [[Christopher Alexander]] and [[John Christopher Jones|J. Christopher Jones]].<ref>Cross, N. (1984) ''Developments in Design Methodology'', Wiley, UK.</ref> Fundamental issues were also raised by Rittel, who characterised design and planning problems as [[wicked problems]], un-amenable to the techniques of science and engineering, which deal with "tame" problems.<ref>Rittel, H. and M. Webber (1973) "Dilemmas in a General Theory of Planning", ''Policy Sciences'' '''4''', 155–169</ref> The criticisms turned some in the movement away from rationalised approaches to design problem solving and towards "argumentative", participatory processes in which designers worked in partnership with the problem stakeholders (clients, customers, users, the community). This led to [[participatory design]], [[user centered design]] and the role of [[design thinking]] as a creative process in problem solving and innovation.

However, interest in systematic and rational design methods continued to develop strongly in engineering design during the 1980s; for example, through the Conference on Engineering Design series of [[The Design Society]] and the work of the [[Verein Deutscher Ingenieure]] association in Germany, and also in Japan, where the Japanese Society for the Science of Design had been established as early as 1954.<ref>{{Cite web | url=https://iasdr.net/member-societies/ | title=IASDR}}</ref> Books on systematic engineering design methods were published in Germany and the UK.<ref>Hubka, V. (1982) ''Principles of Engineering Design'', Butterworth Scientific Press, UK.</ref><ref>Pahl, G. and W. Beitz (1984) ''Engineering Design: a systematic approach'', Springer/Design Council, UK.</ref><ref>Hubka, V., Andreasen, M. M. and Eder, W. E. (1988) ''Practical Studies in Systematic Design'', Butterworth, UK</ref><ref>Cross, N. (1989) ''Engineering Design Methods'', Wiley, UK.</ref> In the USA the [[American Society of Mechanical Engineers]] Design Engineering Division began a stream on design theory and methodology within its annual conferences. The interest in systematic, rational approaches to design has led to [[design science]] and [[design science (methodology)]] in engineering and computer science.

==Methods and Processesprocesses==

The development of design methods has been closely associated with prescriptions for a systematic process of designing. These process models usually comprise a number of phases or stages, beginning with a statement or recognition of a problem or a need for a new design and culminating in a finalised solution proposal. In his 'Systematic Method for Designers' [[L. Bruce Archer]] produced a very elaborate, 229 step model of a systematic design process for industrial design,<ref>{{Cite web | url=http://www.dubberly.com/concept-maps/archers-design-process.html | title=Bruce Archer's Design Process Checklist}}</ref> but also a summary model consisting of three phases: Analytical phase (programming and data collection, analysis), Creative phase (synthesis, development), and Executive phase (communication). The UK's [[Design Council]] created the [[Double Diamond (design process model)]], which breaks the creative design process into four phases: Discover (insight into the problem), Define (the area to focus upon), Develop (potential solutions), and Deliver (solutions that work).<ref>{{Cite web | url=https://www.designcouncil.org.uk/news-opinion/design-process-what-double-diamond | title=The Design Process: What is the Double Diamond?| date=2015-03-17}}</ref> A systematic model for engineering design by Pahl and Beitz has phases of Clarification of the task, Conceptual design, Embodiment design, and Detail design.<ref>Pahl, G. and W. Beitz (1984) ''Engineering Design: a systematic approach'', Springer/Design Council, UK.</ref> A less prescriptive approach to designing a basic design process for oneself has been outlined by [[John Christopher Jones|J. Christopher Jones]].<ref>{{cite web |last1=Jones |first1=J. Christopher|title=design methods for everyone |url=http://publicwriting.net/2.2/designmethodsforeveryone.html|website=publicwriting.net |access-date=21 December 2018}}</ref>

In the [[engineering design process]] systematic models tend to be linear, in sequential steps, but acknowledging the necessity of iteration;. inIn architectural design, process models tend to be cyclical and spiral, with iteration as essential to progression towards a final design. In industrial and product design, process models tend to comprise a sequence of stages of divergent and convergent thinking. The Dubberly Design Office has compiled examples of more than 80 design process models,<ref>Dubberly, H. (2004) ''How do you design: a compendium of models''. Dubberly Design Office, San Francisco, USA. http://www.dubberly.com/wp-content/uploads/2008/06/ddo_designprocess.pdf</ref> but it is not an exhaustive list.

Within these process models there are, numerous design methods that can be applied. In his book of 'Design Methods' [[John Christopher Jones|J. C. Jones]] grouped twentysix26 methods according to their purposes within a design process: Methods of exploring design situations (e.g. Stating Objectives, Investigating User Behaviour, Interviewing Users), Methods of searching for ideas (e.g. Brainstorming, Synectics, Morphological Charts), Methods of exploring problem structure (e.g. Interaction Matrix, Functional Innovation, Information Sorting), Methods of evaluation (e.g. Checklists, Ranking and Weighting).<ref>Jones, J. C. (1970) ''Design Methods: seeds of human futures''. Wiley, UK.</ref>

[[Nigel Cross]] outlined eight stages in a process of engineering product design, each with an associated method: Identifying Opportunities - User Scenarios; Clarifying Objectives - Objectives Tree; Establishing Functions - Function Analysis; Setting Requirements - Performance Specification; Determining Characteristics - Quality Function Deployment; Generating Alternatives - Morphological Chart; Evaluating Alternatives - Weighted Objectives; Improving Details - Value Engineering.<ref>Cross, N. (2008) ''Engineering Design Methods: Strategies for Product Design''. Wiley, UK.</ref>

Many design methods still currently in use originated in the design methods movement of the 1960s and 70s, adapted to modern design practices. Recent developments have seen the introduction of more qualitative techniques, including ethnographic methods such as [[cultural probe|cultural probes]]s and situated methods.<ref>Simonsen, J. et al. (2014) ''Situated Design Methods''. MIT Press, USA.</ref>

==Emergence of design research and design studies==

The design methods movement had a profound influence on the development of academic interest in design and designing and the emergence of [[design research]] and [[design studies]].<ref>Bayazit, N. (2004) "Investigating Design: A Review of Forty Years of Design Research." ''Design Issues'' '''20''', 1, 16-29.</ref> Arising directly from the 1962 Conference on Design Methods, the [[Design Research Society]] (DRS) was founded in the UK in 1966. The purpose of the Society is to promote "the study of and research into the process of designing in all its many fields" and is an interdisciplinary group with many professions represented.

In the USA, a similar Design Methods Group (DMG) was also established in 1966 by [[Horst Rittel]] and others at the [[University of California, Berkeley]]. The DMG held a conference at [[MIT]] in 1968<ref>Moore, G. T. (ed.) (1970) ''Emerging Methods in Environmental Design and Planning''. MIT Press, USA.</ref> with a focus on environmental design and planning, and that led to the foundation of the [[Environmental Design Research Association]] (EDRA), which held its first conference in 1969. A group interested in design methods and theory in architecture and engineering formed at MIT in the early 1980s, including [[Donald Schön]], who was studying the working practices of architects, engineers and other professionals and developing his theory of [[reflective practice]].<ref>Schön, D. A. (1983)''The Reflective Practitioner: How Professionals Think in Action''. New York: Basic Books. {{ISBN|0-465-06878-2}}.</ref> In 1984 the [[National Science Foundation]] created a Design Theory and Methodology Program to promote methods and process research in engineering design.

Meanwhile in Europe, Vladimir Hubka established the ''Workshop Design-Konstruction'' (WDK),which led to a series of International Conferences on Engineering Design (ICED) beginning in 1981 and later became [[the Design Society]].

Academic research journals in design also began publication. DRS initiated ''Design Studies''<ref>https://www.journals.elsevier.com/design-studies</ref> in 1979, ''Design Issues''<ref>https://www.mitpressjournals.org/loi/desi</ref> appeared in 1984, and ''Research in Engineering Design''<ref>https://link.springer.com/journal/163</ref> in 1989.

==Professional design practice==

Conversations about design methods and a more systematic approach to design was not isolated to Europe. America was also a magnet for practicing design professionals to codify their successes in design practice and backing into larger theories about the dynamics of design methods.

American designers were much more pragmatic at articulating design methods and creating an underlying language about the practice of industrial and graphic design. They were tied to economic systems that supported design practice and therefore focused on the way design could be managed as an extension of business, rather than the European approach to design methods based on transforming engineering by design.

Industrial design was the first area that made inroads into systematizing [[knowledge]] through practice. [[Raymond Loewy]] was instrumental at elevating the visibility of industrial design through cult of personality (appearing three times on front cover of ''Time Magazine''). [[Henry Dreyfuss]] had a profound impact on the practice of industrial design by developing a systematic process used to shape environments, [[transportation]], [[Product (business)|products]] and [[packaging]]. His focus on the needs of the average consumer was most celebrated in his book ''Designing for People'', an extensive exploration of [[ergonomics]].

[[Jay Doblin]] one of America's foremost industrial designers, worked for Raymond Loewy and was later an employee of [[Unimark International]], the world's largest global design firm during the 1960s with offices in seven countries. In 1972, Doblin formed Chicago-based Jay Doblin & Associates, a firm which managed innovative programs for Xerox Corporation and General Electric.<ref>[http://www.aiga.org/content.cfm?contentalias=JayDoblin AIGA Overview of Jay Doblin] {{webarchive|url=https://web.archive.org/web/20051103135028/http://www.aiga.org/content.cfm?contentalias=JayDoblin |date=2005-11-03 }}</ref> Doblin was prolific at developing a language to describe design. One of his best articles was "A Short, Grandiose Theory of Design", published in the 1987 Society of Typographic Arts Design Journal. In seven pages, Doblin presents a straightforward and persuasive argument for design as a systematic process. He described the emerging landscape of systematic design:

* For large complex projects, it "would be irresponsible to attempt them without analytical methods" and rallied against an "adolescent reliance on overly intuitive practices."

* He separated "direct design" in which a craftsperson works on the artifact to "indirect design" in which a design first creates a representation of the artifact, separating design from production in more complex situations.

Doblin and others were responding to the increased [[Inheritance (computer science)|specialization]] of design and the complexity of managing large design programs for corporations. It was a natural process to begin to discuss how design should move upstream to be involved with the specifications of problems, not only in the traditional mode of production which design had been practiced. Particularly since 2000, design methods and its intersection with business development have been visibly championed by numerous consultancies within design industry.

The continuity of approaches to design projects by such representative firms is the generation of inputs incited by the human condition in varied contexts. These approaches utilize a sustainable methods-based mode of making that takes into account critical analytic and [[Synthetic proposition|synthetic]] skills toward more informed and inspired specifications grounded in:

* Direct investigation of human circumstances to draw out impressions

* Engagement by client-side and end-user participants in design process

* Open articulation by practitioners of multiple disciplines facilitated by design

==Current state of design methods==

There is no one way to practice design methods. John Chris Jones recognized this by stating:

{{Quote|Methodology should not be a fixed track to a fixed destination, but a conversation about everything that could be made to happen. The language of the conversation must bridge the logical gap between past and future, but in doing so it should not limit the variety of possible futures that are discussed nor should it force the choice of a future that is unfree.<ref name="Jones Design Methods"/>}}

The focus of most post-1962 enhancements to design methods has been on developing a series of relevant, sound, humanistic problem-solving procedures and techniques to reduce avoidable errors and oversights that can adversely affect design solutions. The key benefit is to find a method that suits a particular design situation.

The benefits of their original work has been abstracted many times over; but in today's design environment, several of their main ideas have been integrated into contemporary design methods:

* Emphasis on the user

* Use of basic research methods to validate convictions with fact

* Use of [[brainstorming]] and other related means to break mental patterns and precedent

* Increased [[collaboration|collaborative]] nature of design with other disciplines

A large challenge for design as a discipline, its use of methods and an endeavor to create shared values, is its inherent synthetic nature as an area of study and action. This allows design to be extremely malleable in nature, borrowing ideas and concepts from a wide variety of professions to suit the ends of individual practitioners. It also makes design vulnerable since these very activities make design a discipline unextensible as a shared body of knowledge.<ref>[http://publicwriting.net/2.2/designmethodsforeveryone.html John Chris Jones perspective about "Design Methods for Everyone"]</ref>

Meanwhile in Europe, Vladimir Hubka established the ''Workshop Design-Konstruction'' (WDK),which led to a series of International Conferences on Engineering Design (ICED) beginning in 1981 and later became [[the Design Society]].

In 1983, [[Donald Schon]] at the [[Massachusetts Institute of Technology]], published ''The Reflective Practitioner''.<ref>Schon, Donald A. ''The Reflective Practitioner: How Professionals Think in Action''. New York: Basic Books, 1983. {{ISBN|0-465-06878-2}}.</ref> He saw traditional professions with stable knowledge bases, such as [[law]] and [[medicine]], becoming unstable due to outdated notions of "technical rationality" as the grounding of professional knowledge. Practitioners were able to describe how they "think on their feet", and how they make use of a standard set of frameworks and techniques. Schon foresaw the increasing instability of traditional knowledge and how to achieve it. This is in line with the original founders of design methods who wanted to break with an unimaginative and static technical society and unify [[exploration]], [[collaboration]] and [[Intuition (knowledge)|intuition]].

Academic research journals in design also began publication. DRS initiated ''Design Studies''<ref>{{Cite book | url=https://www.journals.elsevier.com/design-studies | title=Design Studies}}</ref> in 1979, ''Design Issues''<ref>{{Cite web | url=https://www.mitpressjournals.org/loi/desi | title=MIT Press Journals}}</ref> appeared in 1984, and ''Research in Engineering Design''<ref>{{Cite web|url=https://link.springer.com/journal/163|title = Research in Engineering Design}}</ref> in 1989.

Design methods has influenced design practice and [[design education]]. It has benefited the design community by helping to create introductions that would never have happened if traditional professions remained ''stable'', which did not necessarily allow collaboration due to gate keeping of areas of knowledge and [[expertise]]. Design has been by nature an interloper activity, with individuals that have crossed disciplines to question and innovate.

==ProfessionalInfluence on all professional design practice==

The challenge is to transform individual [[experiences]], frameworks and [[perspective (cognitive)|perspectives]] into a shared, understandable, and, most importantly, a transmittable area of knowledge. Victor Margolin {{Citation needed|date=May 2013}} states three reasons why this will prove difficult:

Several pioneers of design methods developed their work in association with industry. The [[Ulm School of Design|Ulm school]] established a significant partnership with the German consumer products company [[Braun (company)|Braun]] through their designer [[Dieter Rams]]. [[John Christopher Jones|J. Christopher Jones]] began his approach to systematic design as an ergonomist at the electrical engineering company [[Associated Electrical Industries|AEI]]. [[L. Bruce Archer]] developed his systematic approach in projects for medical equipment for the UK National Health Service.

In the USA, designer [[Henry Dreyfuss]] had a profound impact on the practice of industrial design by developing systematic processes and promoting the use of [[anthropometrics]], [[ergonomics]] and [[human factors]] in design, including through his 1955 book 'Designing for People'.<ref>Dreyfuss, Henry. ''Designing for People''. Allworth Press; 2003. {{ISBN|1-58115-312-0}}</ref> Another successful designer, [[Jay Doblin]], was also influential on the theory and practice of design as a systematic process.<ref>https://www.doblin.com/dist/images/uploads/A-Short-Grandiose-Theory-of-Design-J.-Doblin.pdf {{Webarchive|url=https://web.archive.org/web/20220818022033/https://doblin.com/dist/images/uploads/A-Short-Grandiose-Theory-of-Design-J.-Doblin.pdf |date=2022-08-18 }} {{Bare URL PDF|date=March 2022}}</ref>

* Domain knowledge is a mixture of [[vocation]] (discipline) and avocation (interest) creating hybrid definitions that degrade shared knowledge

* [[Intellectual capital]] of design and wider scholarly pluralism has diluted focus and shared language which has led to ungovernable [[laissez-faire]] values

* Individual explorations of design discourse focuses too much on individual narratives leading to personal point of view rather than a critical mass of shared values

Much of current design practice has been influenced and guided by design methods. For example, the influential [[IDEO]] consultancy uses design methods extensively in its 'Design Kit' and 'Method Cards'.<ref>{{Cite web | url=http://www.designkit.org//resources/1 | title=Design Kit | access-date=2018-12-20 | archive-date=2022-05-23 | archive-url=https://web.archive.org/web/20220523084621/https://www.designkit.org/resources/1 | url-status=dead }}</ref><ref>{{Cite web | url=https://www.ideo.com/post/method-cards | title=Method Cards}}</ref> Increasingly, the intersections of design methods with business and government through the application of [[design thinking]] have been championed by numerous consultancies within the design profession. Wide influence has also come through [[Christopher Alexander]]'s [[pattern language]] method,<ref>{{cite book |last1=Alexander |display-authors=et al |first1=Christopher |title=A Pattern Language |date=1977 |publisher=Oxford University Press |isbn=978-0-19-501919-3 |url-access=registration |url=https://archive.org/details/patternlanguage00chri }}</ref> originally developed for architectural and urban design, which has been adopted in [[software design patterns|software design]], [[interaction design pattern|interaction design]], [[Pedagogical patterns|pedagogical design]] and other domains.

In the end, ''design methods'' is a term that is widely used. Though conducive to interpretations, it is a shared belief in an exploratory and rigorous method to solve problems through design, an act which is part and parcel of what designers aim to accomplish in today's complex world.

==See also==

{{Div col}}

* [[HeuristicDesign management]]

* [[MethodDesign engineeringrationale]]

*[[Design research]]

* [[Phenomenology (philosophy)|Phenomenology]]

*[[Design science]]

* [[Principles of intelligent urbanism]]

* [[ProgrammingDesign paradigmtheory]]

* [[SimulationDesign thinking]]

* ''[[The Semantic Turn]]''

{{Div col end}}

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<references/>

==Other sources (not cited above)==

==Books==

*Ko, A. J. ''Design Methods''. https://faculty.washington.edu/ajko/books/design-methods/index.html

* Alexander, Christopher. ''A Pattern Language: Towns, Buildings, Construction''. Oxford University Press, 1977. {{ISBN|0-19-501919-9}}

*Koberg, D. and J. Bagnall. (1972) ''The Universal Traveler: A Soft-Systems Guide to Creativity, Problem-Solving, and the Process of Design''. Los Altos, CA: Kaufmann. 2nd edition (1981): ''The All New Universal Traveler: A Soft-Systems Guide to Creativity, Problem-Solving, and the Process of Reaching Goals''.

* Cross, Nigel. ''Engineering Design Methods: Strategies for Product Design''. John Wiley & Sons, 2000. {{ISBN|0-471-87250-4}}

*Krippendorff, K. (2006). ''The Semantic Turn; A New Foundation for Design''. Taylor&Francis, CRC Press, USA. {{ISBN|978-0415779890}}

* Jones, John Christopher. ''Designing Designing''. London: Architecture Design and Technology Press, 1991.

* JonesPlowright, John ChristopherP. (2014) ''Revealing Architectural Design: Methods, Frameworks and Tools''. WileyRoutledge, 1992UK. {{ISBN|0978-471-28496-30415639026}}.

* MargolinProtzen, VictorJ-P. and D. J. Harris. (2010) ''The PoliticsUniverse of the ArtificialDesign: EssaysHorst onRittel's DesignTheories andof Design Studiesand Planning''. University of Chicago Press, 2002Routledge. {{ISBN|0-226-50504-90415779898}}

*Pugh, S. (1991), ''Total Design: Integrated Methods for Successful Product Engineering''. Addison-Wesley, UK.

* Protzen, Jean-Pierre and David J Harris. ''The Universe of Design: Horst Rittel's Theories of Design and Planning''. Routledge, 2010. {{ISBN|0415779898}}

*Roozenburg, N. and J. Eekels. (1991) ''Product Design: Fundamentals and Methods''. Wiley, UK. {{ISBN|0471943517}}

* Schön, Donald. ''The Reflective Practitioner: How Professionals Think in Action''. Basic Books, 1983. {{ISBN|0-465-06878-2}}

*Ulrich, K. and S. Eppinger. (2011) ''Product Design and Development''. McGraw Hill, USA. {{ISBN|978-0073404776}}

==External links==

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{{DEFAULTSORT:Design Methods}}

[[Category:Design studies]]

[[Category:Industrial design]]