Post on 28-Jan-2015
description
User centered design process
LIFECYCLE MODELS
Star model
Evaluation
Conceptual/formal design
RequirementsspecificationPrototyping
task/functionalanalysisImplementation
Star modelUsability engineeringUsability engineering
Understand and specify the context of use
Specify the user requirements
Produce design solutionsto meet user requirements
Evaluate the designs against requirements
Plan the human-centereddesign process
Designed solutionmeets user requirements
Iterate, where appropriate
Star modelUsability engineeringISO’s lifecycle model
Early focus on users and tasks
Empirical measurement
Iterative design
Traditional principles
Belief in the power of reasonDesign guidelines are sufficientGood design is getting it right the first timeWorth-centred design & evaluation
Competing approaches
User-centred design
CASE
analysis
analysis
analysis
analysis
analysis
design
design
design
evaluation
evaluation
ANALYSIS
Pure observation
Participant observation
Experience sampling
Role playing
with little or no interactionObservational methods
Contextual Inquiry
Process Analysis
Condensed ethnographic interview
Discount user observation
with interaction with usersObservational methods
Artefact walkthrough
Incident diaries
Video recording
observing not possibleAlternative methods
Interviews
Focus groups
Survey/questionnaire
cautionMethods to be used with
FROM ANALYSIS TO DESIGN
Conceptual model
Wireframes
Source: Courage, C. & Baxter, K. (2005) Understanding your users.
Task descriptionsSource: Van der Veer G. & Van Welie M. (2004) DUTCH: Designing for users and tasks from concepts to handles. In: The handbook of task analysis for human-computer interaction
Task sequence
Workflow Diagram
Hierarchical Task analysis
Source: Courage, C. & Baxter, K. (2005) Understanding your users.
Task descriptionsSource: Van der Veer G. & Van Welie M. (2004) DUTCH: Designing for users and tasks from concepts to handles. In: The handbook of task analysis for human-computer interaction
Task sequence
Workflow Diagram
Hierarchical Task analysis
StoryboardsScenario-based design
Bron: De Morgen, Dinsdag 19 Januari 2010
Design recommendations
De stok aan de klas-applicatie beweegt wanneer het zieke kind de aandacht vraagt
33 / 141 personas
Cultural probles
Mood boards
DESIGN
Information architectureCard sorting
Paper DigitalBlankVideoWizard of ozCodedExperience
Prototyping
Fail early
Fail early
Fail often
EVALUATION
Heuristics
Guidelines
Standards
Styleguide
Expert evaluationRule based
Expert evaluationWalkthrough based
Cognitive walkthrough
Heuristic walkthrough
User evaluation
http://sumi.ucc.ie/en/
http://hcibib.org/perlman/question.cgi?form=ASQ
questionnaires
User evaluationUser tests
Psycho-physiological measures
47 / 67 FaceReader
Repertory Grid
Laddering
Product Emotion Measurement
Sensual Evaluation Instrument
The sky is the limit…
Slide 7 http://www.flickr.com/photos/thompson/46457718/in/photostream/
Slide 8 http://www.flickr.com/photos/pierofix/4357784206/sizes/m/in/photostream/
Slide 22 http://www.flickr.com/photos/brianglanz/2383687611/sizes/m/in/photostream/
Slide 23 http://www.flickr.com/photos/wili/242265276/in/photostream/
Slide 38 http://www.flickr.com/photos/davidmasters/3605862283/sizes/m/in/photostream/
Slide 25 http://www.flickr.com/photos/xanxhor/3799615485/sizes/m/in/photostream/
Slide 43: http://www.flickr.com/photos/horiavarlan/4519955517/in/photostream/
Slide 45 http://www.flickr.com/photos/23512941@N00/477221327/
Slide 53 http://www.flickr.com/photos/danorbit/1814156778/in/photostream/
Slide 52 http://www.flickr.com/photos/streetpreacher/185428401/in/photostream/
Slide 45 http://www.flickr.com/photos/13316988@N00/3231119457/ http://www.flickr.com/photos/56685575@N00/97737994/
Slide 27 http://www.flickr.com/photos/29487767@N02/3338900345/in/photostream/
credits