barbara kok at wud16
TRANSCRIPT
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Design process components and perceived product quality
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Historically one of the priorities of design is to create a progression in the form of everyday experience (Beirne, 2011)
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But…UsabilityUser experienceUser centred design Human centred designHuman FactorsErgonomicsParticipatory design…
bad user experience ?!
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Exponential growth & increasing complexityof products
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PhD research:
Design process components and perceived product quality
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Relation design process and perceived product quality
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WHAT HAPPENS IN A DESIGN PROCESS?
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•
• Master Product Design education (LUCA School of Arts, Genk)• Bachelor & Master students
Research participants
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What happens in a design process?
• State of the art
• Design shaping methods
• Ergonomic & functional study
• Users involvement
• Design research tools
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State of the art
Component in the design process all productsre-designed
productsnew designed
products
State of the art
state of the art of similar products 100%
state of the art of not-relating products
65% 48% 77%
Technology, science(social science, etc.), materials etc. research:
desk research 60% 19% 91%
consulting specialists 45% 15% 69%
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Design shaping methods
Component in the design process all productsre-designed
productsnew designed
products
Design shaping methods
sketching 94% 100% 89%
rendering (CAD…) 53% 41% 63%
tangible models 63% 82% 49%
Working model 47% 70% 29%
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Ergonomic & functional study
Component in the design processall products
(62)re-designed
products (27)new designed products (35)
Ergonomic and functional study
consulting ergonomic guidelines 84% 93% 77%
product function and task analysis (FTA)
94% 96% 91%
product risk and mistake analysis (RMA)
66% 78% 57%
FTA & RMA by self-testing 44% 56% 34%
FTA & RMA designed product 61% 74% 51%
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Users involvement Component in the design process all products
re-designed products
new designed products
Users involvement (UI)
questioning users 34% 30% 37%
questioning users' companion(s) 31% 26% 34%
observation 45% 48% 43%
feedback on concepts and/or models
feedback on concepts (2D) 24% 19% 29%
feedback on models (3D) 19% 19% 20%
feedback on working models 44% 70% 23%
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Design research tools
Component in the design processall products
(62)re-designed
products (27)new designed products (35)
Design research tools
design research tools 40% 26% 51%
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Design for people specific needs or disabilities
Component in the design process frequency
State of the art (STA)
state of the art of similar products 95%
state of the art of non-relating products 100% Technology, materials, etc. research 100%
Design shaping methods (DSM)
2D (sketching/rendering) 95%
tangible models 79%
Working model 68%
Ergonomic & functional study (EFS)
consulting ergonomic guidelines 90%
product function and task analysis (FTA) 90%
product risk and mistake analysis (RMA) 79%
FTA & RMA by self-testing 47%
FTA & RMA designed product 42%
Users involvement (UI)
questioning users 79%
observation 68%
feedback on concepts and/or models
feedback on concepts (2D) 37%
feedback on models (3D) 42%
feedback on working models 47%
Design research tools (DRT)
design research tools 21%
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Student VS professional
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Student VS professional• Differences cause by• Context • Experience • …
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WHAT AFFECTS THE PERCEIVED PRODUCT QUALITY?AND WHAT CAN LEAD TO (ACCEPTANCE OF) INNOVATION
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Research• Innovation is technology driven (Norman
& Verganti, 2014)• Innovation is created by creating new
meaning (Verganiti 2014)
• UX becomes important when people become more familiar (Norman & Verganti 2014)
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Professionals (seat design)
• Importance of involving all stake holders including management an OEM
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Effect of the design process components on the perceived product quality
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Re-designPositive effect on the PPQ:• ‘function, risk and mistake analysis of
the designed product’
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New designPositive effect on the PPQ:• ‘involving users by asking feedback
on 2D concepts’ • ‘applying design research tools in the
design process’
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New designNegative effect on the PPQ:• ‘Consulting ergonomic guidelines’
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Design for people with disabilities or special needs
Positive effect on the PPQ:• ‘design shaping by making (working)
models’• ‘functional, risk and mistake analysis’
(of the designed product)’ • ‘user feedback on (working) concepts
and models’
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What about the other components?
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No correlations because• Always applied• To moderate to measure• Interferences between components • Just no correlation
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IMPORTANT DESIGN PROCESS COMPONENTS FOR CREATING COMFORT
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CDP important for comfort (in seat design , based on professionals)
• prototyping• function, risk and mistake analysis
(of the designed product)• designing by making working models • focus groups • questioning users• Involving stakeholders
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DESIGN VERSUS REAL WORLD
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Can designers estimate the users perception of product quality?
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DesignersVS users• Products for general target group:Strong correlation (= 0.743, p ≤ 0,000) between product assessment of designer and users
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Designers VS usersProducts for people with specific needs or disabilities :no correlation (= 0.47, p = 0,066) between product assessment of designer and users
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HOW TO INCREASE PERCEIVED PRODUCT QUALITY
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Increasing perceived product quality by:
• Applying design process components which can have a positive effect on the perceived product quality
• Differentiate the design process in function of the design problem
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Increasing perceived product quality by:
• Involving users in the design process and assessment
• Involve other stakeholders
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Wanna know more…
Repository.tudelft.nlPhD B.N.E. Kok
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OTHER RESEARCH AT LUCA SCHOOL OF ARTS C-MINE
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Sharing is caring Thick Documentation in Participatory Design
Inspired by the sharing of source codes in Open Source Software and blueprints in Open Design, this PhD research investigated what form of documentation can extend and broaden participation of Participatory Design processes.
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Traders (short for ‘Training Art and Design Researchers in Participation for Public Space’)
How can art and design researchers contribute in interesting ways to engaging citizens, policy makers, private partners and other participants to participate in public space
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Traders
http://www.luca-arts.be/traders
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Design - Dementia• Keep Forget:–Memories, stories and messages
related to locations and places were translated in personal and public artefacts
http://www.luca-arts.be/nieuws/keep-forget-andrea-wilkinson
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Other • Participatory design with people with
dementia , sensory or cognitive disabilities
• Map-it• Empathy & communication media
design• …
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Any questions?
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Thank you for your attention!
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