Usability Evaluation for In-Vehicle Systems

Usability Evaluation for In-Vehicle Systems

by Catherine Harvey, Neville A. Stanton

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Ergonomics often seems to be involved too late in commercial project development processes to have substantive impact on design and usability. However, in the automotive industry, and specifically in relation to In-Vehicle Information Systems (IVIS), a lack of attention to usability can not only lead to poor customer satisfaction, it can also present a significant risk to safe and efficient driving.

Usability Evaluation for In-Vehicle Systems describes how to apply a range of usability evaluation methods for IVIS. The authors explore the driving context and the range of driver-IVIS interactions, using case studies that show how Ergonomics methods can add considerable value throughout the product development process. They emphasize practical approaches that can be used to predict and analyze driver behavior with IVIS. The authors also present validation evidence for the methods covered.

The book has three key objectives:

  • Define and understand usability in the context of IVIS. This guides the specification of criteria against which usability can be successfully evaluated.
  • Develop a multi-method framework to support designers in the evaluation of IVIS usability. The underlying motivations for the framework are a need for early-stage evaluation to support proactive redesign and a practical and realistic approach which can be used successfully by automotive manufacturers.
  • Develop an analytic usability evaluation method which enables useful predictions of task interaction, whilst accounting for the specific context-of-use of IVIS. The major challenge of this particular context-of-use is the dual-task environment created by interacting with secondary tasks via an IVIS at the same time as driving.

Written for students, researchers, designers, and engineers, the book is not only a guide to the practical application of evaluation methods, it also presents important theoretical concepts and hypotheses, describing the behavior of drivers and the effects of IVIS interactions. It provides a framework for developing more usable systems to enhance the overall driving experience by meeting the needs of the driver: safety, efficiency, and enjoyment.

Product Details

ISBN-13: 9781466514300
Publisher: CRC Press
Publication date: 04/19/2016
Sold by: Barnes & Noble
Format: NOOK Book
Pages: 230
File size: 6 MB

About the Author

Harvey, Catherine; Stanton, Neville A.

Table of Contents

The History of In-Vehicle
Information Provision
Future Predictions
Ergonomics Challenges of In-Vehicle Information Systems (IVIS)
Ergonomics, Human Computer Interaction (HCI), and Usability
Usability Evaluation
Book Outline

Context-of-Use as a Factor in Determining the Usability of In-Vehicle Information Systems
The Development of a Definition of Usability
Usability of In-Vehicle Information Systems (IVIS)

In-Vehicle Information Systems to Meet the Needs of Drivers
The Task
The System
The User
The Task-User-System Interaction
Evaluating the Task–System–User Interaction

A Usability Evaluation Framework for In-Vehicle Information Systems
Preparing for a Usability Evaluation
Selecting Usability Evaluation Methods
Usability Evaluation Methods

The Trade-Off between Context and Objectivity in an Analytic Evaluation of In-Vehicle Interfaces
Analytic Methods
Results and Discussion
General Discussion

To Twist or Poke? A Method for Identifying Usability Issues with Direct and Indirect Input Devices for Control of In-Vehicle Information Systems
Direct and Indirect IVIS Input Devices
Empirical Evaluation of IVIS Usability
Selection of Tasks
Results and Discussion

Modelling the Hare and the Tortoise: Predicting IVIS Task Times for Fast, Middle, and Slow Person Performance using Critical Path Analysis
Modelling Human–Computer Interaction
Critical Path Analysis
Identification of Operation Times
Development of the CPA Calculator
Comparison of CPA-Predicted Task Times with Empirical Data
Applications of the CPA Model
Limitations of the CPA Model
Extensions to the CPA Model

Visual Attention on the Move: There Is More to Modelling than Meets the Eye
The CPA Method
Visual Behaviour in Driving
Development of a CPA Model for Dual-Task IVIS Interaction
Case Study: Glance Behaviour in a Dual-Task Environment
Results: Shared Glance CPA Model

Summary of Contributions and Future Challenges
Summary of the Findings
Key Questions
Areas for Future Research
Concluding Remarks

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