what is interaction design?
interaction design
"designing interactive products to support the way people communicate and interact in their everyday and working lives"
[Sharp, Rogers, and Preece 2019]
human-centered approaches
focus on human users and stakeholders
technology supports human activity
design with technology limitations in mind
multidisciplinary
concerns of interaction design
user experience
usability
accessibility and inclusiveness
user experience (UX)
designing for experience
how people feel about a product
macro to micro experiences
provoke behaviors
goal: "reduce the negative aspects of user experience while enhancing the positive ones"
understanding users
different needs and requirements
no one-size-fits-all
avoid assumptions
cultural differences
user experience goals
desirable: satisfying, enjoyable, fun, helpful, entertaining, aesthetically pleasing, motivating, rewarding, supportive of creativity
undesirable: boring, frustrating, unpleasant, patronizing, annoying, making one feel stupid
connection between experiences and consequences
course registration system
other examples?
usability
usability goals
effectiveness: effective to use
efficiency: efficient to use
safety: safe to use
utility: having good utility
learnability: easy to learn
memorability: easy to remember how to use
menus and keyboard shortcuts
moodle
other examples?
accessibility and inclusiveness
accessibility
accessible to a wide audience by enabling
different ways of interacting
inclusive design of technology
design of assistive technology
types of impairments: sensory, physical, and cogniftive
other examples?
design principles
visibility
make clear possible actions
feedback
response to action
constraints
prohibit some actions,
encourage others
physical
logical
cultural
mapping
controls ↔ effects
example: pause on Twitch vs YouTube Live
affordances / signifiers
informs on how to use it; signify potential action
physical characteristics and constraints
perceived use based on visual appearance (e.g. buttons)
consistency
similar elements for similar tasks
easier to learn and use
in-class activity
mobile phone
consider one or more tasks or activities you perform with it
what is good and bad about the way it works for those tasks
what in its design makes it work good or bad?
user experience goals: satisfying, enjoyable, helpful, rewarding?
usability: effectivenes, efficiency, safety, utility, learnability, memorability?
what would you change? why would it be better?
questions?
reading for next class
Chapter 1: "The Psychopathology of Everyday Things"
The Design of Everyday Things
