7 stages of user action theory
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Seven Stages of User Action
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Using the “7 Actions” Theory for Task and Design Analysis
Why we’re learning about this theory
Cover the origins and components of the theory
How to apply it in task & design analysis
Analyze the design of a common user experience
Apply the theory to a k12 design
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Why Learn this Theory?
The actions we’ll discuss often happen in one to four seconds, making it difficult to articulate.
This theory provides a common construct & vocabulary in describing how a user interacts with the World, or a computing system to accomplish a goal.
Applying it ensures a more thorough and consistent task and design analysis.
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Origins & Components of theory
Proposed by Donald Norman in the 70’s and used in the process of airplane control analysis & design.
It applies to any system or device;Control Systems & Panels for Nuclear Power plantsBureaucratic SystemsOperating SystemsWebsitesDoors
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Theory ComponentsUser Goal = Desired Outcome=Epic/User Story
Gulf of Execution: The psychological and physical barriers to achieving a goal.
World = K12 Virtual School System
Gulf of Evaluation: The psychological and physical phenomena that occurs when comparing the goal to the systems’ response to user interaction.
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Gulf of Execution
Gulf of Evaluation
My goal My desired outcome
?
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Gulf of Execution
Gulf of Evaluation
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What happens when you call?
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Will this Perform a Search?
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We make up stories about things we don’t understand.
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The Real Man on the Moon
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Perceiving System State Change in 4 Seconds
What Changed?
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Applying theory to the K12 experience.
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The user story: As a teacher I want to know who has been absent.
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Can’t Cross the Gulf of Execution?
Ask – Is the intention obvious & does it match the user’s intent?
Ask – Is the action well specified in terms the user can understand?
Ask – Can the user manipulate the control?
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Can’t cross the Gulf of Evaluation?
Ask – Is state change perceptible?
Ask – Can the state change be interpreted?
Ask – Can the state change be compared to the user’s desired outcome?
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More details form Google: Seven stages of action - Wikipedia, the free encyclopedia
Gulf of Execution and Evaluation - Dubberly Design Office
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