U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
 |
| This report is an archived publication and may contain dated technical, contact, and link information |
|
Publication Number: FHWA-RD-96-147
Date: October 1997 |
Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commerical Vehicle Operations: Components of the Intelligent Transportation Systems: Designs Alternatives for In-Vehicle Information Displays
APPENDIX C: SUBJECTIVE MEASURES, SITUATION AWARENESS QUESTIONS, AND ATIS MESSAGES
Subjective Measures
TRUSTHow well was the ATIS system able to notify you of roadway conditions and hazards? 0___________________________________100
SELF–CONFIDENCEHow well were you able to identify roadway conditions and hazards? 0___________________________________100
MENTAL DEMANDHow much thinking was required to operate this vehicle? 0___________________________________100
PHYSICAL DEMANDHow much physical activity was required to operate this vehicle? 0___________________________________100
DRIVING PERFORMANCEHow safely were you able to drive? 0___________________________________100
CONFIDENCEHow confident are you in your answer to the previous question? 0___________________________________100
Questions for Situation Awareness Queries Level 1 Perception of relevant information 1. Did you receive a message from ATIS in the last 30 seconds? a. yes b. no 2. What is your current speed? a. > 40 mph b. < 40 mph 3. Which lane are you currently in? a. right b. left 4. What color was the light through which you most recently passed? a. green b. yellow 5. On what side of the road were the last pedestrians? a. right b. left 6. At the last intersection, from which side was the cross traffic coming? a. right b. left 7. How many pedestrians were at the last intersection? a. one b. two 8. Is there currently a vehicle ahead of you in the right lane? a. yes b. no
Level 2 Comprehension of the meaning of the information 9. Which action did the most recent ATIS message call for? a. reduce speed b. change lanes 10. What is the speed of the car ahead relative to your speed? a. slower b. faster 11. What did your last message from the ATIS warn you about? a. icy road ahead b. curve in road ahead 12. What was the billboard that you most recently passed advertising? a. food b. gas 13. What did your last message from the ATIS warn you about? a. disabled vehicle b. construction
Level 3 Using the information to predict future events 14. Should you be driving less than 35 mph over the next 30 seconds? a. yes b. no 15. Will you need to be in the left lane in the next 30 seconds? a. yes b. no
FHWA-RD-96-147 |
||||||||||||||||||||||||||||||||||
