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Human factors engineering
IMEN315 Human Factors Engineering
Usability Testing for User InterfaceDate. 2014/03/13Assistant. Sungjin Park
Human factors engineering
User interface design
User Interface Design?
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Human factors engineering
User interface design01
Needs Interface
“DESIGN”
Human factors engineering
User interface design01
Needs Interface
“DESIGN”
• 애플처럼 만들어 주세요.
• 페이스북은 xxx기능이 있던데 이건 왜 없어요?
• 엑셀보다 편하게 만들어 주세요.
• 우리 사장님은 궁서체를 좋아해요.
• 여기는 빨간색, 여기는 파란색, 여기는 노란색으로 해 주세요.
• 여기도 중요하고, 저기도 중요하고, 다 중요한데.. 여기가 제일 중요해요.
Human factors engineering
User interface design01
User’s Needs
Visual design
Information design
Structure
Design Strategy
Fundamental Requirements
Technical problem
.
.
.
Human factors engineering
User interface design01
Needs Interface
“DESIGN”
Human factors engineering
User interface design01
Needs Interface
“Transform”Requirements Solutions
“Analyze” “Implement”
Human factors engineering
User interface design01
Needs Interface
“Transform”Requirements Solutions
“Analyze” “Implement”
“Evaluate”
Human factors engineering
User interface design01
Needs Interface
“Transform”Requirements Solutions
“Analyze” “Implement”
“Evaluate”
For Human Factor Engineers,
Human factors engineering
Design principles
User interface design principles for evaluation
- Usefulness principle
- Usability principle
- Affect principle
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Human factors engineering
Design principles
Usefulness principle
- 사용자는 시스템을 어떻게 판단하는가?
- 시스템의 어떤 용도로 사용되는가?
- 시스템은 어떤 구조를 가지고 있는가?
- 시스템은 어떻게 작동하는가?
02
Human factors engineering
Design principles
Usability principle
- 얼마나 효율적인가?
- 학습이 용이한가?
- 가능한 적은 노력을 요구하는가?
- 사용자가 만족하는가?
02
Human factors engineering
Design principles
Affect principle
- 얼마나 매력적인가?
- 사용자가 느끼는 미적 감성이 적절한가?
02
Human factors engineering
Focus on evaluation
Evaluation- Validation
- Verification
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Human factors engineering
Focus on evaluation
Evaluation- Validation
- Verification
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What we have to do.“Requirements analysis” from target interface.“Benchmarking test” with comparable interfaces.“Usability testing” by empirical users.“Model-based evaluation” by CogTool.
Human factors engineering
This term project is
To evaluate “User interface” through various methods.- Experimental research method: Think aloud test
- Descriptive method: Benchmarking test, questionnaire
- Model-based method: CogTool modeling
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Human factors engineering
Schedule
Schedule
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Date Value Item description
3/13 Introduction
Discuss project with group members
3/20 Bring idea for project to class
4/3 20% Show benchmarking test results.
4/17 30% Give a mid-presentation including usability testing results.
5/1 Revisions (Optional)
5/22 20% Show CogTool modeling results
6/12 30% Give a final-presentation and submit a final-report
Human factors engineering
Schedule
Until 3/20..- Target web-site
- Comparable web-sites
- Requirements analysis
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Human factors engineering
Schedule
Now..- Make group.
- 6-7 persons per each group.
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Human factors engineering
Schedule
Contacts- Park, Sungjin
- 02-3290-3874
- http://cm.korea.ac.kr
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