User Experience Measurement and Analysis: Usability Testing
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Transcript of User Experience Measurement and Analysis: Usability Testing
User Experience Measurement and Analysis
4. USABILITY TESTING
What is usability testing?
• Observe real people using your website or application.
• Observe performance of tasks & measure.
What usability testing is NOT • Usability testing it not
– People’s opinions of the design or functionality
– People watching you use your own site and telling you what they think
– A measurement of people’s skills or intelligence.
Usability testing instead is letting people use
your site on their own unprompted by you.
A success usability test means… • You don't guide them or help them use your
site.
• You sit that person down in front of a computer and ask them to complete a task.
• You watch them, silently, and give them however much is needed to complete the task.
A success usability test means… • You don't guide them or help them use your
site.
• You sit that person down in front of a computer and ask them to complete a task.
• You watch them, silently, and give them however much is needed to complete the task.
A success usability test means… • You don't guide them or help them use your
site.
• You sit that person down in front of a computer and ask them to complete a task.
• You watch them, silently, and give them however much time is needed to complete the task.
"Tell me what products this company sells. Feel free to
click to whatever pages of the website you want to in order
to locate this information."
Usability testing: Best Practices
• Avoid opinions by having several participants. – Differentiate opinions from website issues
– Statistical significance
Usability Factors
Factor 1: Can people complete
tasks successfully?
Factor 2: How long does it take
for people to find information?
Factor 3: What pages are people
seeking to complete the task?
Factor 4: Where are user pain
points?
When to do usability testing
• Before and after a website redesign
• When you see low conversion rates
• When you see higher bounce rates
Usability Case Study
Successful Task Completion
Task Completion Time
Vertical Scrolls
Join us for the next video: User Experience Measurement
and Analysis Summary