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how a person feels when interacting with a digital product
the influence of usability, usefulness
and emotional impact
usability emotion usefulness interviews visual design
persona prototypinguser-centered design
a/b testing design thinking user research brainstorminformation architecture
requirement writing
why?as technology becomes more and more pervasive, features are no longer what differentiate one product from another
products that provide users with a better experience will win
usability is not uxeffectiveness, efficiency, productivity, ease-of-use,
learnability, retainability, and the pragmatic aspects of user satisfaction
!
ux lifecycleanalyze – design – implement – evaluate
analysis understanding user work and needs
contextual inquiry
contextual analysis
extracting requirements
design-informing models
• user research
• user observation
• think-aloud technique
• flow model
• card-sorting
the 5wswho? what? where? when? why?
and how?
personas
personasnot an actual user, but a “hypothetical archetype”
represents a specific person in a specific work role and sub-role, with specific user class characteristics
personas are relevant and believable
design must make the primary persona very happy, while not making any of the selected
personas unhappy
design conceptual design and determining
interaction behavior and look and feel
design ideation sketching design production
Design ideation and sketching is where the team does creative design thinking, brainstorming, and sketching of new design ideas. Design ideation leads to representation of mental models, conceptual design, and design storyboards.
Design production entails prototyping and iteration of the conceptual design, intermediate designs and detailed designs.
design thinking
design thinkingis a mind-set in which the product concept and design for emotional impact and the user experience are dominant.
It is an approach to creating a product to evoke a UX that includes emotional impact, aesthetics and social and value-oriented interaction.
As a design paradigm, design thinking is an immersive, integrative and market-oriented eclectic blend of art, craft, science and invention.
prototype realizing design alternatives
(often done in parallel with design)
low fidelity medium fidelity high fidelity
wireframes
low fidelity medium fidelity high fidelity
paper
low fidelity medium fidelity high fidelity
photo gallery
low fidelity medium fidelity high fidelity
clickable
low fidelity medium fidelity high fidelity
https://projects.invisionapp.com/share/CY5F1ING3
functional
low fidelity medium fidelity high fidelity
evaluate verifying and refining the interaction
design
the best way to find out if something works is to test it!
ux inspection
ux inspectionlooking at and trying out the design yourself as a UX expert instead of having participants exercise it while you observe.
The evaluator is both participant surrogate and observer. Inspectors ask themselves questions about what would cause users problems.
Because the process depends on the evaluator’s judgment, it requires an expert, a UX practitioner or consultant
When we use the term “UX inspection,” we are aware that you cannot inspect UX but must inspect
a design for user experience issues
heuristic evaluation
heuristic evaluationis a usability engineering method for finding the usability problems in a user interface design
teach the designers about criteria to keep in mind while doing their own designs so they will not violate these guidelines
Heuristic evaluation is performed by having each individual evaluator inspect the interface alone
in the end, highlight a realistic list of the “Top 3” (or 4 or 5) suggestions for modifications and prioritize suggestions, to give the biggest improvement in usability for the least cost
https://www.nngroup.com/articles/ten-usability-heuristics/
empirical evaluation
empirical evaluation
The purpose of your plan for rigorous UX evaluation, whether lab based or in the field, is to describe evaluation goals, methods, activities, conditions, constraints, and expectations.
plan the evaluation
execute
data analysis
reporting
there will always be some UX problems that show up in real live
user-based interaction that you will not see in a heuristic, or any other,
inspection or design review
“UX” is an almost ubiquitous term that we use to refer to most things that
have to do with designing for a high quality user experience
http://https://medium.com/keep-learning-keep-growing/user-experience-design-
best-sources-to-learn-ux-c67bf80484ce#.dgjsixln0
http://uxchecklist.github.io
