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The Human-Machine Interface (HMI)

Table of Contents:
Definition and Overview
1. What Is the Human-Machine Interface?
2. Usability: Why Is It Important?
3. Usability Engineering Principle #1: Know Your Users
4. Principle #2: Involve Users Early and Continuously
5. Principle #3: Rapid and Frequent Iteration Toward Measurable Usability Targets
6. The Usability Engineering Lifecycle: Requirements Gathering and Rapid Prototyping
7. The Usability Engineering Lifestyle: Usability Evaluation
8. Relevant International Standards
9. Where to Find out More
Self-Test
Glossary
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Self-Test
1. What is the best term to describe the practice of techniques and methodologies that address the usability of a product?
a. human-machine interface
b. graphical user interface
c. usability engineering
2. Which of the following is not a stage in the usability engineering lifecycle?
a. rapid prototyping
b. usability evaluation
c. usability design
d. requirements capture
3. What is the key to involving users in the interface design?
a. take an iterative approach
b. focus on quality of use
c. involve them only in the evaluation
4. The design team should focus on the end-user to the exclusion of all the other population segments affected by their product.
a. true
b. false
5. What is the name of the technique in which users and their needs are identified?
a. task analysis
b. systems analysis
c. stakeholder analysis
d. enterprise analysis
6. What percentage of software is typically devoted to the user interface?
a. 30 percent
b. 50 percent
c. 70 percent
7. Usability metrics are derived from the ______ phase.
a. rapid prototyping
b. usability evaluation
c. usability design
d. requirements capture
8. Field trials are particularly important because they reflect the end-use situation.
a. true
b. false
9. Field trials occur in the _____ .
a. rapid prototyping
b. usability evaluation
c. implementation
d. both a and c
e. both b and c
10. Usability engineering can be described as a user-centered design process.
a. true
b. false
Glossary >>

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