LO-FI PROTOTYPING AND USABILITY

TESTING

Michelle Yee| Issam Lamsili | Elly Searle | Blake Thomson CSE 440

Problem - Solution

Problems Not enough exercise Working out too much time &

planning! Driving pollutionSolution Integrate more steps into your day Plan your daily activities around your

walking goal

Mission Statement

Design an application that encourages people to exercise more, drive less, and to explore the area around them

Overview

Representative tasks Lo-fi structure Scenarios Experimental method Experimental results Suggested UI changes Conclusion

Representative tasks

1. Set a personal walking goal

2. Figure out how to walk more

3. Achieve a daily walking goal

Prototype structure

Screens

Combo boxes

Text fields & buttons

Keyboard

Slider

Just downloaded the application

Scenario 1- set personal walking goal

Collecting information…

Scenario 1- set personal walking goal

Scenario 1- set personal walking goal

24 hours later…

Scenario 1- set personal walking goal

Enough information on your walking habits

7500

Scenario 1- set personal walking goal

Goal set!

Scenario 1- set personal walking goal

Just arrived to Safeway…

Safeway

Scenario 2- figure out how to walk more

Scenario 2- figure out how to walk more

Next Wednesday…

Reminder

Scenario 2- figure out how to walk more

More steps

Scenario 2- figure out how to walk more

Walking…

Scenario 2- figure out how to walk more

Route map

Scenario 2- figure out how to walk more

Scenario 3-achieve a daily walking goal

Check progress

Scenario 3-achieve a daily walking goal

Scenario 3-achieve a daily walking goal

Scenario 3-achieve a daily walking goal

Display results

Scenario 3-achieve a daily walking goal

Select a route

Scenario 3-achieve a daily walking goal

After some walking…

Scenario 3-achieve a daily walking goal

Scenario 3-achieve a daily walking goal

Experimental Method

Recruited 3 participants Environment: engineering annex lounge Roles: 1 moderator

1 computer

2 observers Each participant pre-test questionnaire

task book explaining 3 tasks

perform 3 tasks + thinking aloud

post-test questionnaire Test measures: incidents + reactions +

questionnaires

Experimental results

Negative Unclear home screen Needs to be more descriptive Lack of a help feature “Current route” button ambiguous Meaning of history graph unclear Remind me button too prominent Positive status bar dynamically updated “auto-learn” feature convenient

Suggested UI changes

Change home screen (include menu button)

Add help feature Make it more descriptive Titles for each screen More consistent look and feel

Conclusion

Lo-fi prototype first test for our application

Some limitations of paper prototype Some participants did not read the tasks

carefully Overall, satisfied with feedback received Ready to start working on hi-fi prototype!

Questions