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Publication Number: FHWA-RD-96-148
Date: December 1999

Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Driver Memory for In-Vehicle Visual and Auditory Messages

 

DISPLAY FORMATS AND COMMERCIAL VEHICLE OPERATOR (CVO) WORKLOAD

 

FOREWORD

This report is one of a series of reports produced as part of a contract designed to develop precise, detailed human factors design guidelines for Advanced Traveler Information Systems (ATIS) and Commercial Vehicle Operations (CVO). During the analytic phase of the project, research issues were identified and rated by 8 human factors experts along 14 separate criteria. The goal of the experimental phase was to examine the highest rated research issues that can be addressed within the scope of the project. The 14 experiments produced in that phase reflect the results of those ratings.

This study is part of the empirical phase of this ATIS/CVO guidelines development effort and is one of a series of investigations designed to provide supporting rationale for the in–vehicle design guidelines. The research reported in this document investigated the effects of message format and modality on comprehension and retention of in–vehicle messages for younger and older drivers.

Michael F. Trentacoste
Michael F. Trentacoste
Director, Office of Safety
Research and Development

 

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TECHNICAL REPORT DOCUMENTATION PAGE

1. Report No.

FHWA–RD–96–148

2. Government Accession No. 3. Recipient's Catalog No.
4. Title and Subtitle

Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Driver Memory for In–Vehicle Visual and Auditory Messages

5. Report Date

December 1999

6. Performing Organization Code
7. Author(s)

Kantowitz, B. H., Hanowski, R. J., & Garness, S. A.

8. Performing Organization Report No.
9. Performing Organization Name and Address

Battelle Seattle Research Center
4000 NE 41st Street, NE
Seattle, WA 98105

10. Work Unit No. (TRAIS)

3B2C1012 3B2C

11. Contract or Grant No.

DTFH61–92–C–00102

12. Sponsoring Agency Name and Address

Office of Safety and Traffic Operations R&D
Federal Highway Administration
6300 Georgetown Pike
McLean, Virginia 22101–2296

13. Type of Report and Period Covered

Technical Report
4/95 – 4/99

14. Sponsoring Agency Code
15. Supplementary Notes

Contracting Officer's Technical Representative (COTR): M. Joseph Moyer, HRDS

16. Abstract

Three experiments were conducted in a driving simulator to evaluate effects of in–vehicle message modality and message format on comprehension and memory for younger and older drivers. Visual icons and text messages were effective in terms of high comprehension and high memory retention over a 50–sec delay period for both older and younger drivers. Auditory icons (earcons) were unsuitable for older drivers, although younger drivers performed well using symbolic and speech in–vehicle messages. For visual only, auditory only, and auditory plus visual messages both textual and symbolic message formats were equally effective. No adverse effects of in–vehicle message presentation were found for lateral and longitudinal vehicle control. Implications of these findings for development of ATIS guidelines were discussed.

17. Key Words

In–vehicle information system, IVIS, Advanced Traveler Information System (ATIS), memory, older driver

18. Distribution Statement

No restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161.

19. Security Classification (of this report)

None

20. Security Classification (of this page)

None

21. No. of Pages

154

22. Price

Form DOT F 1700.7 (8-72) Reproduction of completed page authorized

 

FHWA-RD-96-148

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United States Department of Transportation - Federal Highway Administration