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Questions and Answers
What is the primary focus of usability in human–computer interaction?
What is the primary focus of usability in human–computer interaction?
- Improving user experience (correct)
- Reducing interaction time
- Enhancing computer performance
- Increasing software complexity
Which of the following is NOT a characteristic of usability?
Which of the following is NOT a characteristic of usability?
- Ease of use
- User satisfaction
- Learnability
- Aesthetic appeal (correct)
What does learnability in usability refer to?
What does learnability in usability refer to?
- Ease of finding help guides
- Efficiency of performing tasks
- Speed at which a user can navigate
- Ability to remember how to use a system (correct)
Which aspect of usability relates directly to how productive a user can be when using a computer system?
Which aspect of usability relates directly to how productive a user can be when using a computer system?
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How does effectiveness in usability contribute to human-computer interaction?
How does effectiveness in usability contribute to human-computer interaction?
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Study Notes
Human-Computer Interaction (HCI)
- Interaction occurs between human users and computer systems to accomplish tasks.
- Encompasses a wide scope of engagement between users and technology.
Usability in HCI
- Focuses on ensuring interactions are effective, efficient, and satisfying.
- Includes various characteristics essential for a positive user experience:
- Ease of Use: How straightforward and intuitive a system is for users.
- Productivity: The capability of users to perform tasks efficiently.
- Efficiency: Time and resources required for users to achieve their goals.
- Effectiveness: The accuracy and completeness of users' performance.
- Learnability: How quickly users can become proficient in using the system.
- Retainability: The ability of users to remember how to use the system over time.
- User Satisfaction: The overall contentment of users with the interaction experience.
- Guided by standards such as ISO 9241-11, established in 1997, which outlines criteria for usability assessments.
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