IT 129: Intro to Human-Computer Interaction

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Questions and Answers

Which of the following best describes the primary goal of human-centered design in HCI?

  • To create aesthetically pleasing interfaces, focusing on visual appeal and modern design trends.
  • To create systems that are easy to use, effective, and enjoyable from the perspective of the user. (correct)
  • To develop systems that prioritize efficiency and data processing speed over user satisfaction.
  • To design interfaces with the most advanced technological features, regardless of user's ability.

A system can be considered truly 'user-friendly' if it only focuses on aesthetic elements.

False (B)

In the context of HCI, what are the two primary components of the 'computer-part' or solution?

user interface and device

In the context of understanding the task in HCI, the five key aspects to consider are: Who, What, When, ______ and ______.

<p>Where, Why</p> Signup and view all the answers

Match the stage of designing a human-centered solution with its description:

<p>Discover = Finding a real problem through research and analysis. Define = Synthesizing the research to establish a clear definition of the problem.. Develop = Creating prototype solutions and conducting tests. Deliver = Refining the solution based on the testing results.</p> Signup and view all the answers

Usability motivations focus on which of the following?

<p>Improving effectiveness, efficiency, and satisfaction for users. (D)</p> Signup and view all the answers

HCI is purely a sub-discipline of computer science, focusing solely on software development techniques.

<p>False (B)</p> Signup and view all the answers

Name three professional fields whose knowledge and methods are integrated into Human-Computer Interaction.

<p>Psychology, Computer Science, Instructional Design</p> Signup and view all the answers

Social networking websites, photo and video share sites, and user communities relate to HCI at the __________ user level.

<p>individual</p> Signup and view all the answers

Match each given context of technology use with its suitable environment:

<p>Financial Planning = Business Web Resources for Journals = Industries and Professions Entertainment and Games = Family Language and Culture = Globalization</p> Signup and view all the answers

When evaluating the effectiveness of a design solution within the field of HCI, what is the most critical factor to consider?

<p>Its impact on user satisfaction, efficiency, and error reduction. (D)</p> Signup and view all the answers

Designing a solution in HCI always begins with identifying the latest technology trends, regardless of a real problem.

<p>False (B)</p> Signup and view all the answers

Define in simple terms what 'usability of interactive systems' means in the context of HCI.

<p>easy to use and effective</p> Signup and view all the answers

A key usability motivation in HCI aims to improve not only the system's effectiveness and efficiency, but also the user's overall _________ with their experience interacting with the system.

<p>satisfaction</p> Signup and view all the answers

Match the following categories to examples relevant to the individual user level in HCI:

<p>Routine processes = Tax return Decision support = diagnosis and treatment Education and training = encyclopedias and simulations Leisure = music and sports information</p> Signup and view all the answers

Which of the following is the MOST accurate reflection of the relationship between Human-Computer Interaction and user interface design?

<p>HCI encompasses user interface design but goes beyond to include the broader context of user experience and interaction. (B)</p> Signup and view all the answers

When designing for 'communities,' an HCI practitioner focuses solely on the technical aspects of enabling group communication, neglecting sociological considerations.

<p>False (B)</p> Signup and view all the answers

In the context of interdisciplinary collaboration within HCI, explain why understanding the principles of experimental psychology can be valuable.

<p>user testing</p> Signup and view all the answers

In HCI, ensuring __________ with a technology includes accommodating diverse capabilities, cultures, backgrounds, and usage contexts.

<p>accessibility</p> Signup and view all the answers

Match the following HCI terms with their corresponding definitions:

<p>Effectiveness = Accuracy and completeness with which users achieve specified goals. Efficiency = Resources expended in relation to the accuracy and completeness with which users achieve goals. Satisfaction = Freedom from discomfort and positive attitudes towards the use of the product. Learnability = The ease with which new users can begin effective interaction and achieve maximal performance.</p> Signup and view all the answers

Flashcards

Course Goal

Achieving a human-centered design and implementing it effectively

Understand Human Users

Understanding the capabilities, cultures, backgrounds, and usage contexts of different people

What is user-friendly

It goes beyond aesthetics, focusing on functionality and user experience

Computer-part

Partners with humans to help them complete a task

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User Interface

The frontier of the software

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The device

The hardware and software, limited by input/output, power, and form

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Task Context

Who, What, When, Where, Why of a task

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Human-Centered Solutions

Find problems and design effective solutions

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Human-Computer Interaction (HCI)

An interdisciplinary field focused on the design and evaluation of interactive systems

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Usability of interactive systems

Usability goals, measures, and motivations

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HCI Professionals

Psychologists, computer scientists, designers, and more

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Study Notes

IT 129: Human Computer Interaction

  • The course focus is on achieving a human-centered design.

Course Goals: Understanding Human Users

  • Users are humans.
  • Humans are complex systems.
  • Different humans have different capabilities, cultures, backgrounds, and usage contexts.

Course Goals: Understanding the "Computer Part"

  • "User-friendly" goes beyond buttons and colors.
  • The "computer-part" partners with humans to accomplish tasks.
  • The "computer part" has two components: the user interface and the device that is limited by multiple modalities.

Course Goals: Understanding the Task

  • Knowing the context of the task involves answering who, what, when, where, and why.

Course Goals: Designing a Human-Centered Solution

  • Involves finding a real problem, designing a solution, and evaluating the solution's effectiveness.

Unit 1: Introduction

  • Overview of HCI
  • Usability of Interactive Systems

Overview of HCI

  • Human-Computer Interaction (HCI) which is a design science combines knowledge and methods associated with professionals.
  • HCI related professionals include psychologists, computer scientists, designers, technical writers, ergonomics experts, UX designers, and sociologists.

Overview of Individual User Level

  • HCI examples at the individual user level include tax return preparation and a doctor's diagnosis and treatment.
  • Further examples education, training, leisure, user-generated content, Internet-enabled devices, and communication.

Overview of Communities

  • HCI in communities includes financial planning, publishing applications, web resources for journals and careers, family entertainment, and globalization.

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