Usability Fix No.2 #ufix nicolas gosselin @nicolasgo on twitter
May 12, 2015
Usability Fix No.2Usability Fix No.2
#ufix
nicolas gosselin@nicolasgo on twitter
many ways to evaluate the UXmany ways to evaluate the UX
• expert evaluation (heuristics)• cognitive walkthrough• guidelines checklists• surveys• interviews• A/B tests• think-aloud protocol• eye-tracking• retrospective testing
many ways to evaluate the UXmany ways to evaluate the UX
• expert evaluation (heuristics)• cognitive walkthrough• guidelines checklists• surveys• interviews• A/B tests• think-aloud protocol• eye-tracking• retrospective testing
think-aloud protocolthink-aloud protocol
• a method used to gather data in usability testing, in product design and development (…)
• a systematic observation under controlled conditions to determine how well people can use the product.. (wikipedia)
think-aloud protocolthink-aloud protocol
• users verbalize their thoughts, feelings, and opinions about the product when doing tasks
• record what the user says and does (the words used, the objects clicked)
• we are testing the design not users!
step by stepstep by step
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2
3
4
observe and record
have an open discussion
let the user verbalize thoughts, feelings, and opinions
setup context
5 users ≈ 85% problems found5 users ≈ 85% problems found
source: www.useit.com
other benefitsother benefits
• a better understanding of the user's mental model and interaction with the product
• fresh ideas coming from observations
progress iterativelyprogress iteratively
design
build
test
rinse and repeatrinse and repeat
design
build
test
do it in lo-fi and hi-fido it in lo-fi and hi-fi
prototype fidelity spectrum
optimize the UXoptimize the UX
businessgoals
technologicalconstraints
usersneeds
questions ??questions ??
1
2
3
4
observe and record
have an open discussion
let the user verbalize thoughts, feelings, and opinions
setup context
thank you!thank you!
…and happy usability testing!
follow @nicolasgo on twitter for more.. download this presentation http://www.slideshare.net/nicolasgo/presentations