EFFECT OF PROLONGED DRIVING ON OVERTAKING CRITERIA

DURING THE FIRST AND LAST THREE HOURS OF A 12-HOUR SPELL OF DRIVING BY SIX SUBJECTS THE EXPERIMENTER RECORDED THE NUMBER OF OVERTAKING MANEUVERS WHICH WERE BEGUN WITH WHAT HE JUDGED TO BE AN UNDULY HIGH LEVEL OF RISK. WHEN THE DATA WERE CORRECTED FOR INTER-SESSION DIFFERENCES IN FREQUENCY OF OVERTAKING, RISKY MANEUVERS WERE FOUND TO BE INITIATED 50 PERCENT MORE OFTEN DURING THE LAST THREE HOURS OF THE SPELL THAN DURING THE FIRST. THIS RESULT CONFLICTS WITH POTTS' (1951) FINDING THA "NEAR ACCIDENTS" DECREASE WITH TIME ON TASK, BUT IT SUPPORTS EARLIER CONCLUSIONS ON THE SUPERIORITY OF ASSESSING FATIGUE EFFECTS SUBJECTIVELY RATHER THAN OBJECTIVELY. /AUTHOR/

  • Availability:
  • Supplemental Notes:
    • Vol 13, No 2, PP 239-242
  • Authors:
    • BROWN, I D
    • Tucker, A H
    • SIMMONDS, D C
  • Publication Date: 1970-3

Media Info

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Filing Info

  • Accession Number: 00220957
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 17 1970 12:00AM