3. Task: Transfer, online payment, recharge
Goal๏ผSave money
Pain point๏ผWasting time and security issues
Annie
1. Understanding Problems
John
Task: Bill payment, financing, go-Dutch
Goal: Save time
Pain point: mobile security, small change
problem, inaccessible of QR code.
Personas
5. โข Money Transfer:
- Interbank, Cross-
border;
- Remember personal
information (Reduce
memory space)
Payment
(Bill Payment;
Small Changes;
Payment;
Recharge)
Security
(Payment;
Recharge):
- Internet
Environment
- Password settings
Financing:
- Intelligent Financing:
- Diverse Functions:
Variety of funds,
stocks and other
financial management
2. Brainstorm & Affinity Diagram
6. 2. Brainstorm & Affinity Diagram
Payment (Bill Payment; Small Changes; Payment; Recharge):
Financing:
- Intelligent Financing: intelligent calculating; Provide financial management strategy
- Diverse Functions: Variety of funds, stocks and other financial management
Money Transfer:
- Interbank, Cross-border;
- Remember personal information (Reduce memory space)
Security (Payment; Recharge):
Scenario 1: Online Payment & Scenario 2: AA Payment
Scenario 3: Wi-fi Security
7. 3. Storyboard
1. Each group member creates one storyboard for one
certain scenario
2. Combine the storyboards as two versions of one
certain scenario
11. 4. Round 1
Metrics โ Scenario A
1. Can users complete the whole process of registration
in 2 minutes?
2. Can users complete the process with errors less than
two times? (Exclude 2 times)
3. Can users feel safe in the using process?
4. Can users feel convenient in the using process?
5. Can users feel satisfied in the using process?
12. 4. Round 1
1. Can users complete the whole process of AA in 2
minutes?
2. Can users complete the process with errors less than
two times?
3. Can users feel pleasant and safe in the using process?
Metrics โ Scenario B
13. 4. Round 1
Task Instructions
โข Scenario A:
- Your friend reserved a product on Taobao, but for some reason he
cannot pay for it. He asked you to register on a mobile payment app
โXiaohebaoโ and pay for the product through this app.
โข Scenario B:
โข - After having dinner with your friends in a restaurant, you decided to
pay the bill by AA. However, some of your friends didnโt have enough
change and they wanted to find some ways which were more easy
and fun to solve the problem. One friend suggested you use the
mobile app โXiaohebaoโ.
16. 4. Round 1
Feedback & Optimization
โข Approved the security of the app, felt satisfied with the app.
โข Version 1 was more convenient than Version 2
- Keep the safety limits, and simplify the registration process
โข โNetwork security scoring โmade people tend to use wi-fi to pay,
no security alert function
- Remove โNetwork security scoringโ function
17. 4. Round 1
โข 1. Reduce the unnecessary information of registration, e.g. gender,
professions, etc.
Scenario A: Optimization
18. 4. Round 1
โข 2. Make the validation method optional and more simple, remove the
โNetwork security scoringโ function.
Scenario A: Optimization
19. 5. Round 2
Scenario A Scenario B
ScenarioA_Prototype2 ScenarioB_Prototype2
Total PPTs=3*2*=6
20. 5. Round 2
Scenario B
Usability Test Results
Round 1
Metrics PPT.1 PPT.2 PPT.3 PPT.4 PPT.5 PPT.6
Time 1.52 min 2.50 min 1.40 min 1.40 min 1.39 min 2.10 min
Error 2 0 1 2 2 1
Pleasure Y Y Y N N N
Round 2
Metrics PPT.1 PPT.2 PPT.3
Time 1.50 min 2.30 min 2.10 min
Error 0 1 1
Pleasure Y Y Y
22. โข 2. Add โdetail
information for AAโ in
the homepage
โXiaohebaoโ interface
โข 3. Remove the menu
button of underlying
โAAโ & โPaymentโ
Scenario B: Optimization
5. Round 2
24. Limitation
โข Most of the participants are females
โข Limited sample and the result of quantitative
method is not persuasive enough
โข Only iterated once
