Virtual University - Human Computer Interaction 1 Imran Hussain | UMT Imran Hussain University of...

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Virtual University - Human Computer Interaction 1 © Imran Hussain | UMT Imran Hussain University of Management and Technology (UMT) Lecture 27 Behavior & Form – Part II Virtual University Human-Computer Interaction

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Virtual University - Human Computer Interaction 3 © Imran Hussain | UMT In Today’s Lecture … Postures for Web Postures for other Platforms –Kiosks (transient) –Handheld Devices (transient) –Appliances (microwaves, transient) Orchestration and Flow Eliminating Excise

Transcript of Virtual University - Human Computer Interaction 1 Imran Hussain | UMT Imran Hussain University of...

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Virtual University - Human Computer Interaction1 © Imran Hussain | UMT

Imran HussainUniversity of Management and Technology (UMT)

Lecture 27Behavior & Form – Part II

Virtual University Human-Computer Interaction

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In Last Lecture …

• Software Postures– Sovereign posture (full-screen programs: outlook, word)– Transient posture (temporary programs: calculator, volume control)– Daemonic posture (work in background: taskbar icons)– Auxiliary posture (streaming audio in browser pane)

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In Today’s Lecture …

• Postures for Web

• Postures for other Platforms– Kiosks (transient)– Handheld Devices (transient)– Appliances (microwaves, transient)

• Orchestration and Flow

• Eliminating Excise

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Web Postures

• Information-oriented sites

• Transaction-oriented sites

• Portals

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Other Platforms

• Kiosks

• Handheld devices

• Appliances

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Introduction

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User in harmonious frame of mind user is productive software productive

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Flow and Transparency

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What is Flow?

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How to Improve Flow?

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How to Make an Interface Invisible?

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Follow Mental Models

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Direct, Don’t Discuss

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Keep Tools Close At Hand

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Mode-less Feedback

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Orchestration

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What is Orchestration?

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How can we Ensure Good Orchestration?

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Adding Finesse: Less is More

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Distinguishing Possibility from Probability

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Providing Comparisons

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Using Graphical Input

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Reflecting Program Status

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Avoiding Unnecessary Reporting

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Avoiding Blank Slates

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Command Invocation vs. Configuration

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Asking Questions vs. Providing Choices

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Hiding Ejector Seat Levers

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Excise

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What is Excise?

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GUI Excise

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Excise and Expert Users

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Training Wheels

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“Pure Excise”

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Visual Excise

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Determining What is Excise

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Stopping the Proceedings

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Errors, Notifiers and Confirmation Messages

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Making the user ask permission

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Protecting us from ourselves

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unresponsiveness

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Common excise tips