Chapter 1 (Usability of Interactive Systems)

Question 1

Transformation of Technology

Answer 1

• User-interface designers have been instrumental in the shift from
  desktop computers.
• Advancements allows users to communicate and collaborate.

Question 2

Role of User - Interface Designers

Answer 2

• Not just creators of software but key players in shaping how technology meets human needs.
• Craft interfaces that are intuitive and accessible, creating engaging
  and effective user experiences.

Question 3

Impact on Society and Individuals

Answer 3

Effective User Interface Cause: enables doctors to make better diagnoses, helping children learn more effectively, and improving accessibility for people with
disabilities.

Non-effective User Interface Cause: cause
frustration and have negative societal impacts, such as privacy concerns and the spread of misinformation.

Question 4

Global Influence of Social Media and Mobile Devices

Answer 4

• Revolutionized how people connect, learn, and engage with the world.
• Play a significant role not only in education, but also in commerce, politics, shaping global cultures and economies.

Question 5

Usability Goals and Measures

Answer 5

• Involves a meticulous process: Usability, Universality, and Usefulness.
• Demands thoughtful planning, understanding user needs, and rigorous testing, all while maintaining budget and schedule constraints.
• Gathering requirements, generating
  design alternatives, and conducting evaluations

Question 6

Five Usability Measures

Answer 6

• Time to Learn
• Speed of Performance
• Rate of Errors by Users
• Retention Over Time
• Subjective Satisfaction

Question 7

This measures how long it takes for a new user to learn how to use the
interface effectively.

Answer 7

Time to Learn

Question 8

This measures how quickly users can complete specific tasks once they
have learned how to use the interface.

Answer 8

Speed of Performance

Question 9

This looks at how many mistakes users
make when using the interface, and what kinds of mistakes they make.

Answer 9

Rate of Errors by Users

Question 10

This measures how much users enjoy using the interface and how satisfied
they feel after using it.

Answer 10

Subjective Satisfaction

Question 10

This measures how well users remember how
to use the interface after not using it for a while.

Answer 10

Retention over time

Question 11

Usability Motivations

Answer 11

• Well-designed interfaces offer significant benefits.
• Essential in competitive markets (Mobile Devices, E - commerce, Social media, games, and entertainment.

Question 12

Consumer Electronics, E - Commerce, and Social Media

Answer 12

• User experience (UX) designers contributed to the rise of consumer electronics that are easy and enjoyable to use.
• For the purpose of communication, education, and healthcare.

Question 13

Games and Entertainment

Answer 13

• Have become a massive industry
• Challenging because it needs balance simplicity for beginners and advanced features for experienced users.

Question 14

Professional Environments

Answer 14

• Hospitals, power plants, or police stations.
• User interfaces need to be extremely reliable and effective due to their critical nature.
• High cost and require extensive training.
• User satisfaction is less critical with a primary focus on efficiency and functionality.

Question 15

Exploratory, creative, and collaborative interfaces

Answer 15

• Tools centered in supporting exploration, creativity, and collaboration.
• Web browsers, design software, and tools for team projects.
• A goal of making computer interface “disappear” for users to focus on their work.

Question 16

Sociotechnical Systems

Answer 16

• Social systems that involve many people ( Healthcare, citizen science, disaster response, and community crime reporting)
• Usability focuses on trust, privacy, and security.
• Ensures users feel confident and their information is being handled correctly and securely.

Question 17

Goals for our profession

Answer 17

Goals that are useful for education and professional enterprises.

Question 19

Three Attainable Broad Goals

Answer 19

• Influencing academic and business researchers.
• Providing tools, techniques, and knowledge for commercial designers.
• Raising the user-interface consciousness of the general public.

Question 20

Influencing academic and business researchers

Answer 20

• Uses a variety of methods to study how people interact with technology.
• Ne approaches include online testing, ethnographic observations, and long - term case studies.

Question 21

Fruitful directions for research

Answer 21

• Reduced anxiety and fear of computer usage
• Graceful evolution
• Social media
• Input device
• Information exploration

Question 22

Providing Tools, Techniques, and Knowledge for Commercial Designers

Answer 22

• Companies prioritize hiring experts like user experience designers and usability testers.
• Focuses on usability, improving consumer satisfaction and employee performance.

Question 23

Providing Tools, Techniques, and Knowledge for Commercial Designers (Key Points)

Answer 23

• Growing Demand
• Tools and Guidelines
• Testing and Refinement
• Feedback Channels

Question 24

Raising the user - interface consciousness of the general public

Answer 24

• People feeling uneasy of using bank machines, cell phones, or email due because of poor designing.
• Complex features, inconsistent terminology, confusing error messages, and difficult action sequences.

Question 25

Raising the user - interface consciousness of the general public (Key points)

Answer 25

• User Fears
• Encouraging Action
• National Priorities.