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WHY EVERY COMPANY SHOULD ADOPT THE TESTING MANTRA
Rene RebaneSenior UX Architect
2013
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2013
Today’s topics
• What is usability testing?
• Why to test?
• Good time for testing
• What to test?
• Testing process and hands on
• Cherry.ee example
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User testing?Never heard of it!
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What is usability testing?
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Observing the user while they use the webpage, product or
service through tasks you have given them.
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Why to test?
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“If you want a great site, you’ve got to test. After you’ve worked on a site for even a few weeks, you can’t see it freshly anymore. You know too much. The only way to find out if it really works is to test it.”
– Steve Krug, Don’t Make Me Think
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Why to test?
• Find out usability problems
• Why products, services and websites fail
• Understand how users think
• Risk reduction
• No surprises
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Does not help to answer
• Do people like it
• Will people buy it
• How people will use it mostly
• What kind of people will use it
• What solution is better A or B
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Good time for testing
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Beginning of the project End of the project
Possibility of changes
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Beginning of the project End of the project
Cost of changes
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What to test?
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Testing process
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Set goals and red routes
Prepare tasks
Prepare object, service or website
Gather people
Test session
Analysis & report
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Where to find people?
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Where to find people?
• Friends and acquaintances
• Coffee shops
• Shopping centres
• Streets
• Amongst clients
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0
How many tests to conduct?
3 6 9 12 150%
50%
100%
75%
25%
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One test with 8 usersFirst test with 8 users Found 5 problems
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Two test with 3 usersFirst test with 3 users Second test with 3 users Found 9 problems
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How to analyze?
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How to analyze?
• Write down what happened
• Why it is unexpected
• Why it is bad (longer process, wrong element usage)
• Remember it is not statistics
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Does problem occur on a red route?
Is the problem difficult to
overcome?
Is the problem
persistent?low
Is the problem difficult to
overcome?
Is the problem
persistent?
Is the problem
persistent?
Medium
Serious
Critical
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Next steps
• What to keep
• What to change
• What to test more
• What to measure later
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Let’s try it
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Cherry.ee case
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Q & A
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Thank you
Rene RebaneSenior UX Architect
2013