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V M O D

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Changes since Heuristic Evaluation. Demonstration. Usability ... WinAmp Terminology. Minimal Screens. Configurable. Design Evolution. Expanded Functionality ... – PowerPoint PPT presentation

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Title: V M O D


1
V M O D
  • Video Music On Demand

Palm OS Prototype User Testing Chen,
Alvin Chiang, Marvin Khoshoo, Sid Schneider,
Dan Volkert, Todd
2
VMOD User Testing
  • Product Overview
  • Changes since Heuristic Evaluation
  • Demonstration
  • Usability Experiment

3
Product Overview
  • Problem
  • Radio
  • CD Player
  • Tape Player
  • Proposed Solution - VMOD
  • Feature Descriptions

4
Project Origins
  • CD Player Interface
  • WinAmp Terminology
  • Minimal Screens
  • Configurable

5
Design Evolution
  • Expanded Functionality
  • Music Videos
  • Multi-user Networking
  • Expanded Search

6
Heuristic Evaluation
  • No Level 4 Problems
  • Request List/SmartStation Problems
  • No Dedicate From Main
  • Labels

7
Palm OS Prototype Changes
  • Separation of Features
  • Reinvention of Playlists
  • Feature Visibility Duplication
  • Help System

8
VMOD Main Screen
Visual Basic
Palm OS
9
VMOD Playlist Screen
Visual Basic
Palm OS
10
VMOD Dedication Screen
Visual Basic
Palm OS
11
Palm OS PrototypeDemonstration
12
Palm OS PrototypeUser Testing
  • Methodology
  • Results
  • Conclusions

13
Test Methodology
  • Organization
  • Testing
  • Timing
  • Debriefing

14
Test Methodology Users
  • Three College-Level Users
  • Varying Background
  • Varying Computer Experience
  • Basic
  • Proficient
  • Advanced

15
Test Methodology Tasks
  • Three Tasks
  • Broad Functionality Coverage
  • Increasing Difficulty Level

16
Experimental Results
  • Main Screen
  • Genre vs. Find Songs
  • Video Mode
  • Editor Screen
  • Load and Play Buttons
  • Dedication Screen
  • Ambiguous Buttons

17
Main Screen
  • Genre vs. Find Songs
  • Video Mode
  • Cluttered Screen

18
Editor Screen
  • Save Button
  • Load vs. Play Buttons
  • Popup Menu

19
Dedication Screen
  • Record Button
  • Add/Remove Buttons
  • Send Button

20
Help System
  • Not Useful
  • Not Extensive

21
Conclusions
  • Final Changes
  • Bug Fixes
  • Q A
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