Ergonomics and Safety of Intelligent Driver Interfaces

By Y. Ian Noy | Go to book overview

right of the roadway, respectively. On hearing the appropriate cue, subjects: (a) switched their attention from the driving task to one of the two number streams, hereafter referred to as the primary switch; then (b) switched their attention from the first number stream to the second, hereafter referred to as the secondary switch; and finally, (c) reported the first perceived digit in each of the two number streams, respectively. Conceivably, primary switching time, as suggested earlier, could be attenuated by switching attention before the appropriate cue is presented. Secondary switching time, however, should not be influenced by this strategy and thus is not contingent on such extraneous factors.

Moreover, in this study the driving task was more challenging and perhaps more realistic. First, subjects were required to modulate their speed via the accelerator and brake pedals. Second, all overtaking maneuvers were performed on curves, rather than straights.

Nonetheless, these amendments did not modify the pattern of results. In particular, switching time was faster in the dual-task condition vis-à-vis the single-task condition, F(1, 22) = 6.95, p < .05. Moreover, switching time did not vary across road-element type, F(3, 66) = 2.01, p > .05. Finally, the effect of driving on switching time did not vary with experience; that is, the interaction between age and condition was not significant, F(1, 22) = 2.35, p > .05. Hence, the results of the present study cannot be ascribed to premature switching. In addition, the original findings generalize to more demanding conditions.


CONCLUSIONS

In summary, the present study showed that switching time while operating a vehicle is a positive function of age, but independent of driving experience per se. Moreover, the driving task expedited, rather than retarded, switching time. These results discredit the notion that switching time is a positive function of mental workload, and thus, are encouraging for IVHS being used by younger drivers. In particular, any additional tasks required by a high technology system should not, according to the present results, retard switching time. Although these systems may increase the required rate of switching, and thus influence complex driving performance, they should not differentially disadvantage young drivers.

The present study, however, entails several limitations. First, these findings may not generalize to real-world driving. Second, the present study examined only one aspect of switching, namely, switching between spatial locations. Other forms of switching, such as switching from one cognitive process to another, may yield conflicting results.

-391-

Notes for this page

Add a new note
If you are trying to select text to create highlights or citations, remember that you must now click or tap on the first word, and then click or tap on the last word.
One moment ...
Default project is now your active project.
Project items
Notes
Cite this page

Cited page

Style
Citations are available only to our active members.
Buy instant access to cite pages or passages in MLA 8, MLA 7, APA and Chicago citation styles.

(Einhorn, 1992, p. 25)

(Einhorn 25)

(Einhorn 25)

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Note: primary sources have slightly different requirements for citation. Please see these guidelines for more information.

Cited page

Bookmark this page
Ergonomics and Safety of Intelligent Driver Interfaces
Table of contents

Table of contents

Settings

Settings

Typeface
Text size Smaller Larger Reset View mode
Search within

Search within this book

Look up

Look up a word

  • Dictionary
  • Thesaurus
Please submit a word or phrase above.
Print this page

Print this page

Why can't I print more than one page at a time?

Help
Full screen
Items saved from this book
  • Bookmarks
  • Highlights & Notes
  • Citations
/ 432

matching results for page

    Questia reader help

    How to highlight and cite specific passages

    1. Click or tap the first word you want to select.
    2. Click or tap the last word you want to select, and you’ll see everything in between get selected.
    3. You’ll then get a menu of options like creating a highlight or a citation from that passage of text.

    OK, got it!

    Cited passage

    Style
    Citations are available only to our active members.
    Buy instant access to cite pages or passages in MLA 8, MLA 7, APA and Chicago citation styles.

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn, 1992, p. 25).

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences."1

    1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

    Cited passage

    Thanks for trying Questia!

    Please continue trying out our research tools, but please note, full functionality is available only to our active members.

    Your work will be lost once you leave this Web page.

    Buy instant access to save your work.

    Already a member? Log in now.

    Search by... Author
    Show... All Results Primary Sources Peer-reviewed

    Oops!

    An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.