SMALLWORLDSean Ren Thani Suchoknand Jim George Dj Ahn Linda Le

Usability Study

Product & Experiment Overview Method Demo of

Tasks Study Results

Additional Design Recommendations

Summary

EXPERIMENT

SmallWorld

Location-based social software: a new paradigm

Presents unique design challengesHow do users think about their: Friends Location Mobile Device Privacy !

A usability study as a means of discovery

METHOD

Method

7 users 16 – 27 years old 3 Female Varied backgrounds

3 tasks

Scripted to standardize experience

Method

1:1 More participants Natural environment

Follow-up dialogs Great data!

TASKS

Tasks

3 tasks Escalating difficulty Non-leading words

*demo*

Task 1

Find the nearest friend and call them to see if they can have lunch with you. (easy)

Task 1 Results

Not too seriousSimple fixes

“What does this dot mean?Is it me?”

“Too small to click!”

2/7

1/7

Task 2

Organize your co-workers into a separate category. (medium)

Task 2 Results

“Where do I add friends to this group?” “Too many clicks add lots of

friends.”

3/7 7/7

Task 3Make yourself visible only to your classmates while you are on campus and not your party friends. (hard)

Task 3 ResultsWe wanted people to go here!

?“Where do you do that??”6/7

Task 3 Results

“Too awkward to resize”

“The plus button isn’t obvious”

“What does a Group Zone do, anyway”

3/7

4/7

3/7

DESIGN RECOMMENDATIONS

Add Redundant Controls

Design Recommendations

Hiding from all friends (invisibility mode)

Temporarily hiding from groups New concepts:

“granularity of visibility” Other privacy features ??

More testing!

Summary

What is SmallWorld? Usability study

New design challenges User feedback

Minute restructuring