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Introduction to Human-Computer Interaction

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Introduction to Human-Computer Interaction

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Questions and Answers

Which of the following is NOT a characteristic associated with usability?

Ease of use

Learnability

User satisfaction

Visual appeal (correct)

What is the primary focus of usability in human-computer interaction?

Increasing the number of features available to users

Ensuring interactions are effective, efficient, and satisfying (correct)

Enhancing the visual design of the computer system

Improving the hardware capabilities of the system

Which aspect of usability refers to how quickly a user can accomplish tasks on a computer system?

Effectiveness

Retainability

Learnability

Productivity (correct)

What does the term 'learnability' imply in the context of usability?

<p>The ease with which new users can start using the system</p> Signup and view all the answers

In the context of HCI, what does 'efficiency' refer to?

<p>The time and resources required to complete a task</p> Signup and view all the answers

Study Notes

Human-Computer Interaction (HCI)

HCI involves the collaboration between human users and computer systems to achieve various tasks.
The overall aim of HCI is to enhance the interaction experience, making it intuitive for users.

Usability

Usability focuses on making HCI effective, efficient, and satisfying for users.
Key characteristics of usability include:
- Ease of Use: The simplicity and intuitiveness of the interface.
- Productivity: The degree to which a user can achieve goals quickly and effectively.
- Efficiency: The resources (time, effort) required to accomplish tasks.
- Effectiveness: The accuracy and completeness of the user's goals.
- Learnability: How quickly a new user can become proficient with the system.
- Retainability: The ability of the user to maintain proficiency over time.
- User Satisfaction: The overall positive or negative feelings towards the interaction.

Standard Reference

ISO 9241-11 (1997) defines usability and its critical components, emphasizing its importance in HCI.

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Description

This quiz explores the fundamentals of Human-Computer Interaction (HCI) and the principles of usability. Key topics include the effectiveness and efficiency of user interactions with computer systems, as well as characteristics like ease of use and user satisfaction. Test your understanding of the ISO standards related to HCI.