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