IT1906: Introduction to Human-Computer Interaction

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Questions and Answers

What does the term 'task' refer to in the context of interactive systems?

The software compatibility issues.

The job to be accomplished by the user. (correct)

The user's motivation for using the system.

The hardware requirements of the system.

Why is reducing memory load important in task completion?

It leads to fewer errors when performing tasks. (correct)

It increases the time taken to complete tasks.

It complicates the interaction model.

It allows users to store more information.

How does striving for consistency help users?

It makes the software faster.

It enables users to use multiple systems simultaneously.

It enhances the visual appeal of the interface.

It reduces long term memory load. (correct)

What is the recommended capacity for short-term memory when performing tasks?

Five to nine pieces of information. Signup and view all the answers

Which of the following is an example of reducing memory load?

Providing keyboard shortcuts for common actions. Signup and view all the answers

What effect does inconsistency in an interface have on the user?

It often leads to user confusion. Signup and view all the answers

What is a key benefit of designing an interaction model for a specific task?

It allows for better identification of user capabilities. Signup and view all the answers

How does a consistent interface contribute to user satisfaction?

It leads to higher preference for the system. Signup and view all the answers

How did the spreadsheet interface impact business computing?

It made business computing a success. Signup and view all the answers

What does the principle of user-centered design emphasize?

Interactions should cater to specific user needs. Signup and view all the answers

What is a challenge of achieving universal usability in software design?

It demands extensive requirements for diverse users. Signup and view all the answers

Which of the following is a method to understand the user in HCI?

Collecting demographics and experience data. Signup and view all the answers

What is one common use of smartphones as mentioned in the content?

Utilizing web-browser interfaces. Signup and view all the answers

Which aspect does the principle of 'Understand the Task' focus on in HCI?

The specific duties users need to perform. Signup and view all the answers

How do body-based and action-oriented interfaces affect gaming?

They provide a more immersive experience. Signup and view all the answers

What kind of information is typically collected to know the user in HCI?

Age, education level, and computing experience. Signup and view all the answers

What is primarily focused on in Human-Computer Interaction?

Designing user interfaces for high usability Signup and view all the answers

Which of the following best describes user experience in HCI?

The creation of enjoyable and helpful interactions Signup and view all the answers

What type of model describes how humans interact with computing devices?

Abstract models Signup and view all the answers

Which criteria does high usability in HCI NOT include?

Data storage capacity Signup and view all the answers

Why has HCI gained importance in recent years?

Computers have become integral to daily life Signup and view all the answers

What is one consequence of a poor user interface in HCI?

User difficulty in benefiting from systems Signup and view all the answers

What is the importance of aesthetic appeal in HCI?

It contributes to commercial success Signup and view all the answers

Interface in HCI refers to what?

The boundary where two independent systems meet Signup and view all the answers

What is the main purpose of incorporating feedback in a user interface?

To confirm user actions and improve system performance Signup and view all the answers

Which of the following is NOT a principle of Human-Computer Interaction (HCI)?

Encouraging full manual input specification Signup and view all the answers

How does a natural interaction interface benefit users?

By reflecting everyday human actions Signup and view all the answers

What is a common feature of interfaces designed to prevent errors?

Confirmation messages for user actions Signup and view all the answers

Which example illustrates the principle of allowing easy reversal of action?

Implementing an Undo button Signup and view all the answers

An example of feedback in a user interface is:

Reminders for system updates Signup and view all the answers

Why is it important to present only relevant information at a given time in an interface?

To reduce user confusion and cognitive overload Signup and view all the answers

What does the principle of preventing errors primarily aim to achieve in user interface design?

Decreased confusion and overwork Signup and view all the answers

Study Notes

Introduction to HCI

Human-Computer Interaction (HCI) involves the theory, design, implementation, and evaluation of interactions between humans and computing devices.
Initially focused on computer interfaces, HCI now encompasses all forms of information technology design, crucial for daily life.
Emphasis is on high usability and user experience, targeting design for effectiveness, enjoyment, and motivation.

Importance of HCI

Usable interfaces improve productivity across industries; poor interfaces can hinder user benefits.
Aesthetic appeal is critical for commercial success alongside functionality.
Notable impacts of HCI include:
- Successful spreadsheet interfaces revolutionized business computing.
- Internet growth is attributed to effective web browser interfaces.
- The widespread use of smartphones and body-based interfaces has enhanced gaming experiences.

Principles of HCI

Know the User

User-centered design principles focus on catering to the needs and capabilities of target users.
Essential user data includes gender, age, education, and computing experience to inform design choices.

Understand the Task

Understanding tasks involves recognizing the jobs users need to complete with the interactive system.
Interaction modeling and user analysis are essential for effective task identification and sequencing.

Reduce Memory Load

Keeping short-term memory load manageable enhances task performance and reduces errors.
Interfaces should minimize the number of required menu items, supporting easier navigation through shortcuts.

Strive for Consistency

Consistent interaction models help alleviate confusion and aid memory retention.
Familiarity with consistent interfaces increases user satisfaction and preference.

Remind Users

Interfaces should provide constant reminders and feedback to support user memory and action.
Feedback loops reaffirm user actions (e.g., confirming payment receipt).

Prevent Errors/Reversal of Action

Designing interactions to minimize errors promotes user comfort and task completion efficacy.
Features like confirmatory prompts and easy reversal actions (like Undo) enhance usability.

Natural Interaction and Interface

Interfaces should reflect natural human interactions and behaviors, promoting intuitive usability.
Examples include gaming interfaces like Wii and Pokémon GO that seamlessly integrate real-life actions.

Conclusion

HCI's role in interface design cultivates an efficient, productive, and satisfying user experience.
Continuous advancements in HCI principles adapt to evolving technology and user needs.

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Description

This quiz covers the fundamentals of Human-Computer Interaction (HCI), a crucial discipline that studies how humans interact with computers and other devices. Explore essential principles of interface design, usability, and the broader impacts of HCI on productivity and entertainment.