This document discusses how to create personas, scenarios, and test cases to better understand user needs for usability testing. It explains that personas provide fictional representative profiles of different types of users based on demographics and behaviors. Scenarios put the personas in hypothetical situations to expose potential problems. Test cases are then derived from the scenarios to evaluate specific aspects of a design from the perspective of different users. The document provides examples of creating personas for users of travel booking, reviews, and deals websites and developing scenarios and test cases from them.

1. Usability Testing
Personas, Scenarios and Test Cases
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2. Personas, Scenarios and Test Cases
Understanding user needs
means
understanding your test cases
But how to better understand your user needs
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3. Personas, Scenarios and Test Cases
User Profiling
Users are segmented / grouped under different representative
profiles according to certain characteristics like:
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Age
Gender
Educational Background
Computer Use
Internet Use
Salary Range
Online Activities
Computer Use Comfort Level
…
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4. Personas, Scenarios and Test Cases
User Profiling
Gender
Age
15% 20%
35%
30%
45%
17-25
25-35
35-45
45-65
55%
Education
5%
20%
50%
25%
Male
Female
Computer Skills
5%
Hs
Bcs
Msc
Phd
Beg
40%
55%
Inter
Adv
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5. Personas, Scenarios and Test Cases
User profiling is not enough to understand the needs of a user
because because it only tells the facts about your users like
his/her ID card
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6. Personas, Scenarios and Test Cases
Personas
Persona is description of a user. They are not real but imaginary
examples of reals users that they represent
Different than user profiling, personas tell the behaviour
•of users; their likes, dislikes and patterns that they follow
Each persona is given a name
• Each persona has an image
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7. Personas, Scenarios and Test Cases
Personas tell us:
• Who the users are
• What are the activities they wish to perform
• Why they might use our system
• How our system fits into the context of their life
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8. Personas, Scenarios and Test Cases
Persona is like user’s Facebook page
You have to act like a sociologist to define personas
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9. Personas, Scenarios and Test Cases
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10. Personas, Scenarios and Test Cases
Mental models are what people really have in their heads and
what guides their use of things
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11. Personas, Scenarios and Test Cases
Define the mental model of user needs who frequently use
below web sites
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hotwire.com
•
tripadvisor.com
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groupon.com
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12. Personas, Scenarios and Test Cases
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13. Personas, Scenarios and Test Cases
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14. Personas, Scenarios and Test Cases
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15. Personas, Scenarios and Test Cases
Mental Models
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Opportunistic
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Depends on trusted advice
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Trendy
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16. Personas, Scenarios and Test Cases
Show Time
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17. Personas, Scenarios and Test Cases
Put these personas “on stage” and let them play their roles
in user scenarios
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18. Personas, Scenarios and Test Cases
Scenarios
• Assist us in thinking about use in context
• Expose problems and opportunities for the service/product
• Find and evaluate a design idea from multiple perspectives
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19. Personas, Scenarios and Test Cases
You have turned your scenarios into use cases
and now turn your use cases into test cases
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