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Compiled with the assistance of the Tiger University Program of
the EstonianInformation Technology Foundation
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Introduction to
Interaction DesignIlya Shmorgun, Valeria Gasik, David Lamas
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Topics
Definition of interaction design
Stages of interaction design
Personas
Scenarios
User-stories
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Interaction Design
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Interaction Design
The practice of designing interactive digitalproducts,
environments, systems, and services
Focuses on understanding the goals and needs ofusers and trying
to design tools for users toachieve those goals
Taking into account a user's environment andtechnological
limitations
Defining the structure and behavior of interactivesystems
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Stages of InteractionDesign
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Research Design Develop Bake Promote
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Developing Personas
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Personas
A description of a user archetype that can
serve as a guide to the design process
Composed from a series of field activitiessuch as interviews and
observations
The descriptions are summarized in 1-2pages
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Use of Personas in
Design
Designers use personas when it is notpossible or practical to
turn to users
Personas cannot substitute involving real
users in the design process
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Writing Scenarios
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Scenarios
A narrative describing foreseeableinteractions of types of users
(characters) and
the system
Include information about goals, expectations,motivations,
actions and reactions
Attempts to reflect on or portray the way inwhich a system is
used in the context of dailyactivity
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Example
Its Friday afternoon and Joe is flying to Sydney. Hedoesnt have
enough money for a taxi to the airportand hes running late.
He goes to a local ATM and identifies himself.
He specifies that he wants $100 from his savingsaccount. Hed
like the money in $20 notes so that
he can give the taxi driver the correct change.
He doesnt want a printed receipt, as he doesntbother keeping
track of transactions in his account.
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Writing User Stories
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User Stories
Descriptions of a sequence of actions andevents that lead to an
outcome
Each user story is limited, and should fit ona small paper
note/card to ensure that itdoes not grow too large
A quick way of handling customerrequirements
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Examples
"As a , I want so that"
As a user, I want to search for mycustomers by their first and
last names so
that I can find customers faster.
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Topics Covered
Definition of interaction design
Stages of interaction design
Personas
Scenarios
User-stories
