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HTA ASSISTANTGroup 112102347D BUATON Hon Ming Herman12102278D CHIU Chin Ting12098845D HO Ngai Hong12100703D LAI Ka Cheong12099858D LAU Hoi Yuen12101845D LUI Kin To
Tuesday, 22 April, 14
WHAT IS ?- An interactive computing software- Draw HTA (Hierarchical Task Analysis) Diagram
- Design & Build BY OUR TEAM
Tuesday, 22 April, 14
“Human-Computer Interaction”, 3rdEdition, Prentice Hall
Tuesday, 22 April, 14
DESIGNED FOR...Prentice Hall
- Publisher of “Human-Computer Interaction” textbook- Include software with textbook- Assist student in doing exercise
Teachers- Assist teaching- Assist student in doing exercise
Tuesday, 22 April, 14
TARGET USERStudents
- study HCI- e.g. COMP2222- Draw HTA
Tuesday, 22 April, 14
REQUIREMENT ANALYSIS
Tuesday, 22 April, 14
STAKEHOLDERS- Primary Stakeholder
- Teachers, Students
- Secondary Stakeholder- Prentice Hall
- Tertiary Stakeholder- Other Publishers
- Facilitating Stakeholder- Designer Team
Tuesday, 22 April, 14
REQUIREMENT COLLECTION- Questionnaire
- 80 to students and 68 returned
- 63% found difficult to correct minor mistakes- e.g. Typo,
- 47% found difficult to divide tasks appropriately- e.g. Refine tasks / Further break down of process
Tuesday, 22 April, 14
DEMONSTRATION
Tuesday, 22 April, 14
UI DESIGNUsability Principles
Tuesday, 22 April, 14
LEARNABILITY- Predictability
- Users expect result of action- based on past experience- e.g. Use Mouse to drag Label / Panel
- Synthesizability- Users access result of action based on display- e.g. “Refresh” after each modification
- Consistency- Consistent Button / Font Size
Tuesday, 22 April, 14
FLEXIBILITY- Dialogue initiative
- User Preemptive Dialogue- e.g. Click Button
- Customizability- Ability of user to modify interface- e.g. Change Font Style and Size in the drawing
Tuesday, 22 April, 14
ROBUSTNESS- Responsiveness
- Short response time- High rate of communication
- Defaults- Provide defaults to assist user- e.g. Pre-set text in “edit” window
Tuesday, 22 April, 14
FURTHER DEVELOPMENT
Tuesday, 22 April, 14
FURTHER DEVELOPMENT- Automatic numbering for processes- Diagram to Textual HTA Convertion
Tuesday, 22 April, 14
THANK YOU
Tuesday, 22 April, 14
Q & A
Tuesday, 22 April, 14