HCI Exam Prep January 2024

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Questions and Answers

What is the formal definition of HCI?

Human-computer interaction is a discipline concerned with the design, evaluation and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them.

What are the components of HCI?

Human: Single User, multiple local users or multiple remote users. Computer: Machine running program, often distributed, many different form factors and capabilities. Interaction: User provides input ⇔ Machine communicates results.

Why does Human Computer Interaction focus on enhancing human capabilities using computational tools?

Human Computer Interaction focuses on enhancing human capabilities using computational tools because computer factors have improved over time, while human factors have remained constant over time.

What are some examples of computational factors mentioned in the text?

<p>Computational factors mentioned in the text include computational power, storage, bandwidth, and screen resolution.</p> Signup and view all the answers

What is the significance of the phrase 'Manual Dexterity' in the context of HCI?

<p>Manual dexterity refers to skill and grace in physical movement, and it is relevant in the design and evaluation of interactive computing systems for human use.</p> Signup and view all the answers

How is the study of major phenomena surrounding interactive computing systems related to HCI?

<p>The study of major phenomena surrounding interactive computing systems is related to HCI as it is concerned with the design, evaluation, and implementation of such systems for human use.</p> Signup and view all the answers

What is the focus of User-Centered Design?

<p>Early focus on users and tasks directly study cognitive, behavioural, anthropomorphic and attitudinal characteristics.</p> Signup and view all the answers

What is the purpose of Empirical Measurement in HCI?

<p>To observe users' reactions and performance in scenarios, manuals, simulations &amp; prototypes, and record and analyze them.</p> Signup and view all the answers

What is the main concept behind Iterative Design in HCI?

<p>Finding problems in user testing and fixing them through more tests.</p> Signup and view all the answers

What is the main idea behind Root-Cause Analysis?

<p>Questioning if the identified problem is the correct problem to solve.</p> Signup and view all the answers

What factors does Usability in HCI depend on?

<p>Usability depends on the type of user and the given task.</p> Signup and view all the answers

What is the primary goal of Need Finding in HCI?

<p>To find what users need, not what they want.</p> Signup and view all the answers

What are the key guidelines for conducting interviews in Need Finding?

<p>Avoid suggestive and hypothetical questions, let participants give answers without interruption, and focus on the user's own point of view.</p> Signup and view all the answers

What are the downsides of conducting a Diary Study for Need Finding?

<p>Study changes behavior, rare events may not be easily observed, and some events may be forgotten or misremembered.</p> Signup and view all the answers

What are the limitations of using Retrospective Surveys for Need Finding?

<p>Bad for hard to remember events and may not accurately capture the frequency of events.</p> Signup and view all the answers

What is the primary purpose of Artifact Analysis in Need Finding?

<p>To understand the problems users may have by examining the physical artifacts they leave behind.</p> Signup and view all the answers

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