Ufix no2

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

1

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