Module 11: Usability Engineering Flashcards
the science of making technology work for people
usability
components of UX (UUEM)
usability
usefulness
emotional impact
meaningfulness
productivity, efficiency, ease of use, learnability
usability
ability to use system
usefulness
affective component
emotional impact
long term personal relationship with product
meaningfulness
isability is based on three measures (OSP)
objective, subjective, preference measures
objective measures (CAENN)
completion time
accuracy
errors
number of clicks
number of scrolls
subjective measures (TAM, TPB, UTAUT2)
TAM = technology acceptance mondel
TPB = theory of planned behavior
UTAUT2 = unified theory of acceptance and use of technology
Fred Davis
Perceive Usefulness, Perceived Ease of Use, User Acceptance of IT (1989)
a person’s behavioral intent is profoundly affected by the behavioral norms of his community
TPB
one of the most important models in technology adoption
UTAUT2
investigate the effects of performance and effort expectancy
UTAUT2
preference measures
ranking test
pairwise comparison & circular error
usability in practical applications
icin design formats:
image related
concept related
semi-abstract
arbitrary
