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Usability Principles in Human-Computer Interaction

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Usability Principles in Human-Computer Interaction

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Questions and Answers

What is usability a property of?

The relationship between humans and an artifact with goal-driven tasks (correct)

The user's ability to perform tasks

The complexity of the artifact's design

The artifact itself

What is the main goal of user-centered design?

To design an artifact that is aesthetically pleasing

To design an artifact that is affordable

To design an artifact that helps humans accomplish their goals (correct)

To design an artifact that is complex and feature-rich

What is the purpose of usability evaluation?

To identify features that increase task performance

To make the artifact more complex

To design an artifact from scratch

To identify usability issues that decrease task performance (correct)

What is the difference between empirical and analytical usability evaluation?

Empirical evaluation studies humans, while analytical evaluation assesses for conformance to UI principles Signup and view all the answers

What is one of the characteristics of usability mentioned in the text?

Learnability Signup and view all the answers

What is an example of an artifact that is evaluated for usability?

A door Signup and view all the answers

What percentage of code is devoted to the user interface portion in today's applications?

48% Signup and view all the answers

What was the percentage of time spent on the user interface portion during the implementation phase?

50% Signup and view all the answers

What was the cause of the American Airlines jet crash in 1995?

Pilot's mistake in typing the airport code Signup and view all the answers

What is usability NOT about?

Making software pretty Signup and view all the answers

What is the main focus of Human-Computer Interaction (HCI)?

Studying phenomena surrounding interactive computing systems Signup and view all the answers

What does this course provide?

A comprehensive introduction to usability and human-computer interaction (HCI) Signup and view all the answers