Usability - Austin Habitat

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Austin Habitat for
Humanity Website
Final Usability Report
Hyeyoung Kim
Jonghun Kim
Li Cao
INF 385P Introduction to Usability
School of Information
University of Texas at Austin
Outline
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Introduction to Austin Habitat for Humanity
website.
Introduction to Usability test.
Methodology
Results
Usability findings and Recommendations
Introduction to Austin Habitat for
Humanity Website
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Habitat for Humanity International is a
Christian organization.
Austin Habitat for Humanity
This website is a place for everyone.
Introduction to our usability
test (1)
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Study purpose:
Test the usability of the website, using
representative users.
Introduction to our usability
test (2)
Study Summary
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What data we collected?
This website is successful if users can find
information about :
1. How to apply a home?
2. How to support the organization through
volunteering/donating?
3. Other key services.
Methodology ( 1 )
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End-user test method
Participants
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Half male, half female.
Various backgrounds.
Familiar with Internet.
None of them have use Austin Habitat for
Humanity website before.
Methodology ( 2 )
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Procedure
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Orientation script
Initial Survey
Critical Tasks
Final Survey
Methodology ( 3 )
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Task Scenarios
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Apply a home
Donate Money
Being a volunteer
Find the calendar
Find photos
Find information about women builders
Methodology ( 4 )
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Evaluation Measures
For the identified usability problems, we provided
a criticality rating in regarding of the following
table.
Criticality
Rating
Criticality
Description
Criticality Definition
4
Critical
The identified issue is so severe that:
•Critical data may be lost
•The user may not be able to complete the task
•The user may not want to continue using the application
3
Major
•Users can accomplish the task but only with considerable frustration and/or
performance of unnecessary steps
•Non-critical data may be lost
•The user will have great difficulty in circumventing the problem
•Users can overcome the issue only after they have been shown how to perform
the task
2
Moderate
•The user will be able to complete the task in most cases, but will undertake
some moderate effort in getting around the problem
•The user may need to investigate several links or pathways through the system
to determine which option will allow them to accomplish the intended task
•Users will most likely remember how to perform the task on subsequent
encounters with the system
1
Minor
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An irritant
A cosmetic problem
A typographical error
Participants
Participant Web Experience
Data we collect
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Quantitative data collected during testing
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Time to complete each task
Number of test participants completing tasks with extra time
Number of problems encountered
Qualitative data collected during testing
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facial expressions
verbal comments when test participants "thought out loud“
spontaneous verbal expressions (comments)
Completion Times for Tasks
Satisfaction data
Satisfaction Data (cont’d)
Suggestions and Comments
Good Findings
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Easy to navigate
: left side navigation bar
: clear labels
: bread crumb
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Contact Info
http://www.austinhabitat.org/index.php
Moderate Findings
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Unnecessary log in procedure just to see
the calendar
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Recommendation
: Remove the log in process
http://www.austinhabitat.org/volunteer/calendar.php
Moderate Findings (cont’d)
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Hard to read font-style
: excessive use of italic font style
: the capitalized sentences
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Recommendation:
: Choose the most important phrase and make it
bold or italic
http://www.austinhabitat.org/volunteer/index.php
Moderate Findings (cont’d)
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Users have difficulty knowing how to
enlarge thumbnail pictures.
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Recommendation:
: Double clicking make the size bigger
: Change the link text - “To enlarge images and view
the image from the beginning”
http://www.austinhabitat.org/photogallery/index.php
Moderate Findings (cont’d)
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Undesirable location of pictures lists
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Recommendation:
: Display the title list through the dropdown boxes by
each category (such as place or time)
http://www.austinhabitat.org/volunteer/index.php
Minor Findings
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Unnecessary icons on left-side navigation bar
Confusing underline
Indistinguishable linkable text color
Avoid “Click here.”
http://www.austinhabitat.org/volunteer/index.php
Any Questions?
Thank you for you time!
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